Rivers, W. M. (1976). Speaking in many tounges: Essays in foreign-language teaching (Expanded, 2nd ed.). Newbury House Pub.
Chicago Style aipamenaRivers, Wilga M. Speaking in Many Tounges: Essays in Foreign-language Teaching. Expanded, 2nd ed. Rowley, Mass: Newbury House Pub, 1976.
MLA aipamenaRivers, Wilga M. Speaking in Many Tounges: Essays in Foreign-language Teaching. Expanded, 2nd ed. Newbury House Pub, 1976.
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