Richards, J. C., Hull, J., & Proctor, S. (1998). New interchange 2: English for international communication : workbook. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange 2: English for International Communication : Workbook. Cambridge: Cambridge University Press, 1998.
MLA CitationRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange 2: English for International Communication : Workbook. Cambridge: Cambridge University Press, 1998.
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