Cita APA (7a ed.)

Ur, P. (1992). Teaching listening comprehension. University Press.

Cita Chicago Style (17a ed.)

Ur, Penny. Teaching Listening Comprehension. Cambridge [etc.]: University Press, 1992.

Cita MLA (9a ed.)

Ur, Penny. Teaching Listening Comprehension. University Press, 1992.

Precaución: Estas citas no son 100% exactas.