Oxenden, C., & Koenig, C. L. (1999). English file: Intermediate student's book. Oxford: Oxford Univ. Press.
Chicago Style CitationOxenden, Clive, and Christina Latham Koenig. English File: Intermediate Student's Book. Oxford: Oxford Univ. Press, 1999.
MLA CitationOxenden, Clive, and Christina Latham Koenig. English File: Intermediate Student's Book. Oxford: Oxford Univ. Press, 1999.
Warning: These citations may not always be 100% accurate.