Rivers, W. M. (1983). Communicating naturally in a second language: Theory and practice in language teaching. Cambridge University Press.
Παραπομπή Chicago StyleRivers, Wilga M. Communicating Naturally in a Second Language: Theory and Practice in Language Teaching. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1983.
Παραπομπή MLARivers, Wilga M. Communicating Naturally in a Second Language: Theory and Practice in Language Teaching. Cambridge University Press, 1983.
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