Oxenden, C., & Latham Koenig, C. (2002). English file Upper intermediate: Student's book. Oxford University Press.
Chicago Style (17th ed.) CitationOxenden, Clive, and Christina Latham Koenig. English File Upper Intermediate: Student's Book. Oxford: Oxford University Press, 2002.
MLA (9th ed.) CitationOxenden, Clive, and Christina Latham Koenig. English File Upper Intermediate: Student's Book. Oxford University Press, 2002.
Warning: These citations may not always be 100% accurate.