Tanka, J. (1990). Interactions I: A listening/speaking skills book. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoTanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.
Deismireacht MLATanka, Judith. Interactions I: A Listening/speaking Skills Book. New York: McGraw-Hill, 1990.
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