Richards, J. C. (1998). Changes: English for international communication : INTRO class cassette set. Cambridge: Cambridge University Press.
Chicago Style CitationRichards, Jack C. Changes: English for International Communication : INTRO Class Cassette Set. Cambridge: Cambridge University Press, 1998.
MLA CitationRichards, Jack C. Changes: English for International Communication : INTRO Class Cassette Set. Cambridge: Cambridge University Press, 1998.
Warning: These citations may not always be 100% accurate.