APA引文

Ur, P. (1992). Discussions that work task centred fluency practice. New York: Cambridge university press.

Trích dẫn kiểu Chicago

Ur, Penny. Discussions That Work Task Centred Fluency Practice. New York: Cambridge university press, 1992.

MLA引文

Ur, Penny. Discussions That Work Task Centred Fluency Practice. New York: Cambridge university press, 1992.

警告：這些引文格式不一定是100％准確.