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 (17th ed.)Richards, Jack C., Jonathan Hull, i Susan Proctor. New Interchange: English for International Communication. Cambridge ; New Delhi: Cambridge University Press, Cambridge University Press India Pvt. Ltd., 2008.
Cita MLA (8th ed.)Richards, Jack C., et al. New Interchange: English for International Communication. Cambridge University Press, Cambridge University Press India Pvt. Ltd., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.