Richards, J. C. (2000). New interchange Intro: English for international communication : workbook. Cambridge: Cambridge University Press.
Dyfyniad Arddull ChicagoRichards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
Dyfyniad MLARichards, Jack C. New Interchange Intro: English for International Communication : Workbook. Cambridge: Cambridge University Press, 2000.
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