Gardner, R. C., & Gardner, R. C. (2010). Motivation and second language acquisition: The socio-educational model. New York: Peter Lang.
Chicago Style CitationGardner, Robert C., and Robert C. Gardner. Motivation and Second Language Acquisition: The Socio-educational Model. New York: Peter Lang, 2010.
MLA CitationGardner, Robert C., and Robert C. Gardner. Motivation and Second Language Acquisition: The Socio-educational Model. New York: Peter Lang, 2010.
Warning: These citations may not always be 100% accurate.