Richards, J. C., Gordon, D., & Harper, A. (1995). Listen for it: A task - based listening course (New ed.). New York: Oxford University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Deborah Gordon, và Andrew Harper. Listen for It: A Task - Based Listening Course. New ed. New York: Oxford University Press, 1995.
MLA citiranjeRichards, Jack C., Deborah Gordon, và Andrew Harper. Listen for It: A Task - Based Listening Course. New ed. New York: Oxford University Press, 1995.
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