Cita APA

Richards, J. C., & Trew, G. (2011). Expanding tactics for listening (Third edition.). New York: Oxford University Press.

Citación estilo Chicago

Richards, Jack C., y Grant Trew. Expanding Tactics for Listening. Third edition. New York: Oxford University Press, 2011.

Cita MLA

Richards, Jack C., y Grant Trew. Expanding Tactics for Listening. Third edition. New York: Oxford University Press, 2011.