Richards, J. C. (1998). New interchange Intro: English for international communication : video activity (Revised for use with New Interchange Intro.). Cambridge: Cambridge University Press.
Stile di citazione ChicagoRichards, Jack C. New Interchange Intro: English for International Communication : Video Activity. Revised for use with New Interchange Intro. Cambridge: Cambridge University Press, 1998.
Citazione MLARichards, Jack C. New Interchange Intro: English for International Communication : Video Activity. Revised for use with New Interchange Intro. Cambridge: Cambridge University Press, 1998.
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