Cita APA

Richards, J. C. 1., Hull, J., & Proctor, S. (1998). New interchange: English for international communication 2. Cambridge: Cambridge University Press.

Citación estilo Chicago

Richards, Jack C. 1943-, Jonathan Hull, y Susan Proctor. New Interchange: English for International Communication 2. Cambridge: Cambridge University Press, 1998.

Cita MLA

Richards, Jack C. 1943-, Jonathan Hull, y Susan Proctor. New Interchange: English for International Communication 2. Cambridge: Cambridge University Press, 1998.