APA引文

May, P. (2002). Towards proficiency: Students book. New York: Oxford University Press.

Trích dẫn kiểu Chicago

May, Peter. Towards Proficiency: Students Book. New York: Oxford University Press, 2002.

MLA引文

May, Peter. Towards Proficiency: Students Book. New York: Oxford University Press, 2002.

警告：這些引文格式不一定是100％准確.