APA引文

(2001). Pronucation plus Class audio CDs. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Pronucation Plus Class Audio CDs. Cambridge: Cambridge University Press, 2001.

MLA引文

Pronucation Plus Class Audio CDs. Cambridge: Cambridge University Press, 2001.

警告：這些引文格式不一定是100％准確.