Richards, J. C., Hull, J., & Proctor, S. (1997). New interchange: English for international communication : student's book. New York: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange: English for International Communication : Student's Book. New York: Cambridge University Press, 1997.
Deismireacht MLARichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange: English for International Communication : Student's Book. New York: Cambridge University Press, 1997.
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