APA引文

Comfort, J. (2004). Effective telephonning: Oxford business english skills. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Comfort, Jeremy. Effective Telephonning: Oxford Business English Skills. Oxford: Oxford University Press, 2004.

MLA引文

Comfort, Jeremy. Effective Telephonning: Oxford Business English Skills. Oxford: Oxford University Press, 2004.

警告：这些引文格式不一定是100％准确.