APA引文

Ur, P., & Penny Ur. (1999). A course in language teaching: Trainee book. Cambridge, U.K. ; New York: Cambridge University Press.

Trích dẫn kiểu Chicago

Ur, Penny, và Penny Ur. A Course in Language Teaching: Trainee Book. Cambridge, U.K. ; New York: Cambridge University Press, 1999.

MLA引文

Ur, Penny, và Penny Ur. A Course in Language Teaching: Trainee Book. Cambridge, U.K. ; New York: Cambridge University Press, 1999.

警告：这些引文格式不一定是100％准确.