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.