Richards, J. C., & Trew, G. (2011). Basic tactics for listening (3rd ed.). New York: Oxford University Press.
Παραπομπή Chicago StyleRichards, Jack C., και Grant Trew. Basic Tactics for Listening. 3rd ed. New York: Oxford University Press, 2011.
Παραπομπή MLARichards, Jack C., και Grant Trew. Basic Tactics for Listening. 3rd ed. New York: Oxford University Press, 2011.
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