Richards, J. C., Hull, J., & Proctor, S. (1998). New interchange: English for international communication : student's book (New ed.). Cambridge, U.K. ; New York, NY, USA: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange: English for International Communication : Student's Book. New ed. Cambridge, U.K. ; New York, NY, USA: Cambridge University Press, 1998.
Deismireacht MLARichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange: English for International Communication : Student's Book. New ed. Cambridge, U.K. ; New York, NY, USA: Cambridge University Press, 1998.
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