Richards, J. C., Hull, J., & Proctor, S. (1998). New interchange 3: English for international communication : student's book. Cambridge: Cambridge University Press.
Citación estilo ChicagoRichards, Jack C., Jonathan Hull, y Susan Proctor. New Interchange 3: English for International Communication : Student's Book. Cambridge: Cambridge University Press, 1998.
Cita MLARichards, Jack C., Jonathan Hull, y Susan Proctor. New Interchange 3: English for International Communication : Student's Book. Cambridge: Cambridge University Press, 1998.
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