(2013). Speak now: Communicate with confidence: Workbook 1. New York: Oxford University Press.
Trích dẫn kiểu ChicagoSpeak Now: Communicate With Confidence: Workbook 1. New York: Oxford University Press, 2013.
MLA CitationSpeak Now: Communicate With Confidence: Workbook 1. New York: Oxford University Press, 2013.
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