APA引文

Barrall, I. (2009). Intelligent business coursebook upper intermediate. Oxford University Press.

Trích dẫn kiểu Chicago

Barrall, Irene. Intelligent Business Coursebook Upper Intermediate. Oxford University Press, 2009.

MLA引文

Barrall, Irene. Intelligent Business Coursebook Upper Intermediate. Oxford University Press, 2009.

警告：這些引文格式不一定是100％准確.