Cita APA (7a ed.)

Ur, P. (2011). A course in language teaching: Trainee book (11th printing.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Ur, Penny. A Course in Language Teaching: Trainee Book. 11th printing. Cambridge [etc.]: Cambridge University Press, 2011.

Cita MLA (9a ed.)

Ur, Penny. A Course in Language Teaching: Trainee Book. 11th printing. Cambridge University Press, 2011.