APA引文

Ur, P. (1999). A course in language teaching: Trainee book. Cambridge University Press.

Chicago Style (17th ed.) Citation

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

MLA引文

Ur, Penny. A Course in Language Teaching: Trainee Book. Cambridge University Press, 1999.