Richards, J. C., Hull, J., & Proctor, S. (1997). New interchange: English for international communication : student's book. New York: Cambridge University Press.
Citação norma ChicagoRichards, Jack C., Jonathan Hull, e Susan Proctor. New Interchange: English for International Communication : Student's Book. New York: Cambridge University Press, 1997.
Citação norma MLARichards, Jack C., Jonathan Hull, e Susan Proctor. New Interchange: English for International Communication : Student's Book. New York: Cambridge University Press, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.