Oxenden, C., Hudson, J., & Latham Koenig, C. (2002). English file Upper intermediate: Workbook. Oxford: Oxford University Press.
Chicago Style CitationOxenden, Clive, Jane Hudson, and Christina Latham Koenig. English File Upper Intermediate: Workbook. Oxford: Oxford University Press, 2002.
MLA CitationOxenden, Clive, Jane Hudson, and Christina Latham Koenig. English File Upper Intermediate: Workbook. Oxford: Oxford University Press, 2002.
Warning: These citations may not always be 100% accurate.