Richards, J. C., Hull, J., & Proctor, S. (1998). New interchange: English for international communication : intro student's book 3b. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, Jack C., Jonathan Hull, और Susan Proctor. New Interchange: English for International Communication : Intro Student's Book 3b. Cambridge, UK ; New York: Cambridge University Press, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichards, Jack C., et al. New Interchange: English for International Communication : Intro Student's Book 3b. Cambridge University Press, 1998.
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