APA引文

Murphy, R. (1990). Essential Grammar in Use: H( with answer). Cambridge: Cambridge University.

Trích dẫn kiểu Chicago

Murphy, Raymond. Essential Grammar in Use: H( With Answer). Cambridge: Cambridge University, 1990.

MLA引文

Murphy, Raymond. Essential Grammar in Use: H( With Answer). Cambridge: Cambridge University, 1990.

警告：這些引文格式不一定是100％准確.