Oxenden, C., Hamilton, G., & Latham-Koenig, C. (1999). English file: Intermediate workbook. New York: Oxford University Press.
Trích dẫn kiểu ChicagoOxenden, Clive., Gill Hamilton, và Christina Latham-Koenig. English File: Intermediate Workbook. New York: Oxford University Press, 1999.
MLA CitationOxenden, Clive., Gill Hamilton, và Christina Latham-Koenig. English File: Intermediate Workbook. New York: Oxford University Press, 1999.
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