Richards, J. C. (1990). Interchange: English for international communication : Teacher's manual. New York, US: Cambridge University Press.
Chicago Style citaatRichards, Jack C. Interchange: English for International Communication : Teacher's Manual. New York, US: Cambridge University Press, 1990.
MLA citatieRichards, Jack C. Interchange: English for International Communication : Teacher's Manual. New York, US: Cambridge University Press, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.