Richards, J. C., Hull, J., & Proctor, S. (1990). Interchange: English for international communication. New York: Cambridge University Press.
Chicago Style CitationRichards, Jack C., Jonathan Hull, and Susan Proctor. Interchange: English for International Communication. New York: Cambridge University Press, 1990.
MLA CitationRichards, Jack C., Jonathan Hull, and Susan Proctor. Interchange: English for International Communication. New York: Cambridge University Press, 1990.
Warning: These citations may not always be 100% accurate.