APA引文

Harding, K., & Taylor, L. (2006). International express: Intermediate. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Harding, Keith., và Liz Taylor. International Express: Intermediate. New York: Oxford University Press, 2006.

MLA引文

Harding, Keith., và Liz Taylor. International Express: Intermediate. New York: Oxford University Press, 2006.

警告：這些引文格式不一定是100％准確.