APA引文

McGowen, B., & Richardson, V. (2000). Clockwise: Pre - intermediate : Classbook. New York: Oxford University Press.

Trích dẫn kiểu Chicago

McGowen, Bruce., và Vic Richardson. Clockwise: Pre - Intermediate : Classbook. New York: Oxford University Press, 2000.

MLA引文

McGowen, Bruce., và Vic Richardson. Clockwise: Pre - Intermediate : Classbook. New York: Oxford University Press, 2000.

警告：這些引文格式不一定是100％准確.