Cita APA (7a ed.)
Ur, P. (2007). A course in language teaching: Trainee book. Cambridge University Press.
Cita Chicago Style (17a ed.)
Ur, Penny. A Course in Language Teaching: Trainee Book. Cambridge, UK: Cambridge University Press, 2007.
Cita MLA (9a ed.)
Ur, Penny. A Course in Language Teaching: Trainee Book. Cambridge University Press, 2007.
Precaución: Estas citas no son 100% exactas.