S. Antonijevic, FROM TEXT TO GESTURE ONLINE: A microethnographic analysis of nonverbal communication in the Second Life virtual environment, Information, Communication & Society, vol.4, issue.2, pp.221-238, 2008.
DOI : 10.1089/cpb.2006.9984

D. Brinton, M. Snow, and I. Wesche, Content?based second language instruction, 2003.
DOI : 10.3998/mpub.8754

T. Chanier, C. R. Wigham, and I. Saddour, Learning and Teaching Corpus (LETEC) of ARCHI21, Mulce.org [oai: mulce.org:mce?archi21?letec?all, 2011.

M. Ciekanski and T. Chanier, Developing online multimodal verbal communication to enhance the writing process in an audio-graphic conferencing environment, ReCALL, vol.20, issue.02, pp.162-182, 2008.
DOI : 10.1017/S0958344008000426

URL : https://hal.archives-ouvertes.fr/edutice-00200851

H. H. Clark and M. A. Krych, Speaking while monitoring addressees for understanding, Journal of Memory and Language, vol.50, issue.1, pp.62-81, 2004.
DOI : 10.1016/j.jml.2003.08.004

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.135.6752

D. Coyle, P. Hood, and D. Marsh, Content and Language Integrated Learning, 2010.

B. Dalgarno and M. J. Lee, What are the learning affordances of 3-D virtual environments?, British Journal of Educational Technology, vol.1, issue.1, pp.10-32, 2010.
DOI : 10.1111/j.1467-8535.2009.01038.x

D. Freitas and S. , Learning in immersive worlds: a review of game?based learning. A report for the JISC e?Learning Programme, 2006.

G. Falloon, Using avatars and virtual environments in learning: What do they have to offer?, British Journal of Educational Technology, vol.1, issue.2, pp.108-122, 2010.
DOI : 10.1111/j.1467-8535.2009.00991.x

M. Fraser, Working with Objects in Collaborative Virtual Environments. Doctoral Thesis, 2000.

R. Gold, Roles in Sociological Field Observations, Social Forces, vol.36, issue.3, pp.217-213, 1958.
DOI : 10.2307/2573808

M. Gullberg, Forthcoming ?2012) Gestures in Second Language Acquisition (Cognitive Science and Second Language Acquisition) Routledge

M. Henderson, H. Huang, S. Grant, and L. Henderson, Language Acquisition in Second Life: improving self?efficacy beliefs, Proceedings ascilite, 2009.

P. Jeffrey and G. Mark, Constructing Social Spaces in Virtual Environments: A study of Navigation and Interaction, Personalised and Social Navigation in Information Space, pp.24-38, 1998.

A. Kendon, The Study of Gesture, Recherches Semiotique/Semiotic Inquiry, vol.2, issue.1, pp.25-62, 1982.
DOI : 10.5840/cpsem198148

R. E. Kraut, S. R. Fussell, and J. Siegel, Visual Information as a Conversational Resource in Collaborative Physical Tasks, Human-Computer Interaction, vol.50, issue.1, pp.13-49, 2003.
DOI : 10.1109/TNN.2002.1021893

P. Lessikar, Business Communication: Theory and application. New Delhi: All India Traveller Books seller, 2000.

K. Lim, Pedagogy, Education and Innovation in 3?D Virtual Worlds, Journal of Virutal Worlds Research, vol.2, issue.1, pp.3-11, 2009.

D. Marsh, B. Marsland, and K. Stenberg, Integrating Competencies for working life, 2001.

S. G. Mccafferty and G. Stam, Gesture: Second Language Acquisition and Classroom Research, 2008.

D. Mcneill, Language and Gesture, 2000.
DOI : 10.1017/CBO9780511620850

K. Nowak and F. Biocca, The Effect of the Agency and Anthropomorphism on Users' Sense of Telepresence, Copresence, and Social Presence in Virtual Environments, Presence: Teleoperators and Virtual Environments, vol.2, issue.5, pp.481-494, 2004.
DOI : 10.1080/019722497129070

T. Ornberg, Linguistic presence on the Internet: Communication, worldview and presence in online virtual environments. Unpublished master's thesis, 2003.

A. Peachey, J. Gillen, D. Livingston, and S. Smith?robbins, Research Learning in Virtual Worlds, 2010.

M. Peterson, Learner participation patterns and strategy use in Second Life: an exploratory case study, ReCALL, vol.6, issue.03, pp.22-273, 2010.
DOI : 10.1076/call.15.3.221.8186

I. Saddour, C. R. Wigham, and T. Chanier, Manuel de transcription de données multimodales dans Second Life, 2011.

K. Schwienhorst, The State of VR: A Meta-Analysis of Virtual Reality Tools in Second Language Acquisition, Computer Assisted Language Learning, vol.15, issue.3, pp.221-239, 2002.
DOI : 10.1076/call.15.3.221.8186

J. Ventrella, Virtual Body Language. The History and Future of Avatars: How Nonverbal Expression is Evolving on the Internet, 2011.

G. Verhulsdonck and J. F. Morie, Virtual Chironomia: Developing Non?verbal Communication Standards in Virtual Worlds, Journal of Virtual Worlds Research, vol.2, issue.3, pp.3-10, 2009.

A. Vetter and T. Chanier, Supporting oral production for professional purpose, in synchronous communication with heterogeneous learners, ReCALL, pp.5-23, 2006.

G. Wadley and M. Gibbs, Speaking in Character: Voice Communication in Virtual Worlds, Online worlds: Convergence of the real and the virtual, 2010.
DOI : 10.1007/978-1-84882-825-4_15

C. R. Wigham and T. Chanier, Communication in Second Life, 2011.
URL : https://hal.archives-ouvertes.fr/edutice-00674138

N. Yee, J. N. Bailenson, M. Urbanek, F. Chang, and D. Merget, The Unbearable Likeness of Being Digital: The Persistence of Nonverbal Social Norms in Online Virtual Environments, CyberPsychology & Behavior, vol.10, issue.1, pp.115-121, 2004.
DOI : 10.1089/cpb.2006.9984