Παραπομπή APA

Richards, J. C., & Jack C. Richards with Jonathan Hull and Susan Proctor. (2005). Interchange. Cambridge,New York: Cambridge University Press.

Παραπομπή Chicago Style

Richards, Jack C., και Jack C. Richards with Jonathan Hull and Susan Proctor. Interchange. Cambridge,New York: Cambridge University Press, 2005.

Παραπομπή MLA

Richards, Jack C., και Jack C. Richards with Jonathan Hull and Susan Proctor. Interchange. Cambridge,New York: Cambridge University Press, 2005.

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