Cita APA (7th ed.)

Ur, P. (1996). A course in language teaching: Practice and theory. Cambridge University Press.

Cita Chicago (17th ed.)

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge: Cambridge University Press, 1996.

Cita MLA (9th ed.)

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge University Press, 1996.