Mackey, A., & Gass, S. M. (2012). Research methods in second language acquisition: A practical guide. Wiley-Blackwell.
芝加哥风格引文Mackey, Alison, 与 Susan M. Gass. Research Methods in Second Language Acquisition: A Practical Guide. Chichester, West Sussex ; Malden, Mass.: Wiley-Blackwell, 2012.
MLA引文Mackey, Alison, 与 Susan M. Gass. Research Methods in Second Language Acquisition: A Practical Guide. Wiley-Blackwell, 2012.
警告：这些引文格式不一定是100％准确.