Richards, J. C., Hull, J., & Proctor, S. (2008). New interchange: English for international communication. Cambridge University Press, Cambridge University Press India Pvt. Ltd..
Cita Chicago Style (17a ed.)Richards, Jack C., Jonathan Hull, y Susan Proctor. New Interchange: English for International Communication. Cambridge ; New Delhi: Cambridge University Press, Cambridge University Press India Pvt. Ltd., 2008.
Cita MLA (8a ed.)Richards, Jack C., et al. New Interchange: English for International Communication. Cambridge University Press, Cambridge University Press India Pvt. Ltd., 2008.
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