APA引文

Swan, M., & Walter, C. (1987). The Cambridge English course. New York: Cambridge University Press.

Trích dẫn kiểu Chicago

Swan, Michael, và Catherine Walter. The Cambridge English Course. New York: Cambridge University Press, 1987.

MLA引文

Swan, Michael, và Catherine Walter. The Cambridge English Course. New York: Cambridge University Press, 1987.

警告：這些引文格式不一定是100％准確.