Gass, S. M., & Behney, J. (2013). Second language acquisition: An introductory course. New York: Routledge.
Čikaški stil citiranjaGass, Susan M., i Jennifer Behney. Second Language Acquisition: An Introductory Course. New York: Routledge, 2013.
MLA način citiranjaGass, Susan M., i Jennifer Behney. Second Language Acquisition: An Introductory Course. New York: Routledge, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.