Richards, J. C., Proctor, S., & Hill, J. (1991). Interchange: English for international communication 2. Cambridge: Cambridge University Press.
Chicago Style CitationRichards, Jack C., Susan Proctor, and Jonathan Hill. Interchange: English for International Communication 2. Cambridge: Cambridge University Press, 1991.
MLA CitationRichards, Jack C., Susan Proctor, and Jonathan Hill. Interchange: English for International Communication 2. Cambridge: Cambridge University Press, 1991.
Warning: These citations may not always be 100% accurate.