Cita APA

Ur, P., & Swan, M. (2013). Teaching listening comprehension (1. ed., 3. reimpr.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Ur, Penny, y Michael Swan. Teaching Listening Comprehension. 1. ed., 3. reimpr. Cambridge: Cambridge University Press, 2013.

Cita MLA

Ur, Penny, y Michael Swan. Teaching Listening Comprehension. 1. ed., 3. reimpr. Cambridge: Cambridge University Press, 2013.