J. Bybee, Usage-Based Grammar and Second Language Acquisition In Handbook of Cognitive Linguistics and Second Language Acquisition, pp.216-242, 2008.

M. T. Cassels, N. White, N. Gee, and C. Hughes, One of the family? Measuring young adolescents' relationships with pets and siblings, Journal of Applied Developmental Psychology, vol.49, pp.12-20, 2017.
DOI : 10.1016/j.appdev.2017.01.003