Oxenden, C. (2008). American English file: Workbook 3. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive. American English File: Workbook 3. Oxford: Oxford University Press, 2008.
MLA CitationOxenden, Clive. American English File: Workbook 3. Oxford: Oxford University Press, 2008.
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