APA引文

Porter, D. (2008). Check your vocabulary for academic English. London: Macmillan.

Trích dẫn kiểu Chicago

Porter, David. Check Your Vocabulary for Academic English. London: Macmillan, 2008.

MLA引文

Porter, David. Check Your Vocabulary for Academic English. London: Macmillan, 2008.

警告：這些引文格式不一定是100％准確.