Richards, J. C., Hull, J., & Proctor, S. (2005). New Interchange 1: English for international communication. Student's book. United Kingdom: Cambridge University Press.
শিকাগো স্টাইলে সাইটেশনRichards, Jack C., Jonathan Hull, এবং Susan Proctor. New Interchange 1: English for International Communication. Student's Book. United Kingdom: Cambridge University Press, 2005.
এমএলএ সাইটেশনRichards, Jack C., Jonathan Hull, এবং Susan Proctor. New Interchange 1: English for International Communication. Student's Book. United Kingdom: Cambridge University Press, 2005.
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