Richards, J. C., Hull, J., & Proctor, S. (1997). New interchange: English for international communication: studentïs look 1 (1a. ed.). Cambridge University Press.
Citace podle Chicago (17th ed.)Richards, Jack C., Jonathan Hull, a Susan Proctor. New Interchange: English for International Communication: Studentïs Look 1. 1a. ed. Cambridge: Cambridge University Press, 1997.
Citace podle MLA (9th ed.)Richards, Jack C., et al. New Interchange: English for International Communication: Studentïs Look 1. 1a. ed. Cambridge University Press, 1997.
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