APA Citation

(2006). Touchstone class audio: Level 3. New York, N.Y: Cambridge University Press.

Trích dẫn kiểu Chicago

Touchstone Class Audio: Level 3. New York, N.Y: Cambridge University Press, 2006.

MLA Citation

Touchstone Class Audio: Level 3. New York, N.Y: Cambridge University Press, 2006.

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