APA引文

Gass, S. M., & Behney, J. (2013). Second language acquisition: An introductory course. New York: Routledge.

Trích dẫn kiểu Chicago

Gass, Susan M., và Jennifer Behney. Second Language Acquisition: An Introductory Course. New York: Routledge, 2013.

MLA引文

Gass, Susan M., và Jennifer Behney. Second Language Acquisition: An Introductory Course. New York: Routledge, 2013.

警告：这些引文格式不一定是100％准确.