APA引文

May, P., & Martin, J. (1999). Knockout first certificate: Teacher's book (2nd ed.). Oxford: Oxford U. P..

Trích dẫn kiểu Chicago

May, Peter, và Jackie Martin. Knockout First Certificate: Teacher's Book. 2nd ed. Oxford: Oxford U. P., 1999.

MLA引文

May, Peter, và Jackie Martin. Knockout First Certificate: Teacher's Book. 2nd ed. Oxford: Oxford U. P., 1999.

警告：這些引文格式不一定是100％准確.