Gass, S. M., Behney, J., & Plonsky, L. (2013). Second language acquisition: An introductory course (Fourth edition.). Routledge.
芝加哥风格引文Gass, Susan M., Jennifer Behney, 与 Luke Plonsky. Second Language Acquisition: An Introductory Course. Fourth edition. New York: Routledge, 2013.
MLA引文Gass, Susan M., et al. Second Language Acquisition: An Introductory Course. Fourth edition. Routledge, 2013.
警告：这些引文格式不一定是100％准确.