Cita APA

Oxenden, C., Hudson, J., & Latham Koenig, C. (2002). English file Upper intermediate: Workbook. Oxford: Oxford University Press.

Citación estilo Chicago

Oxenden, Clive, Jane Hudson, and Christina Latham Koenig. English File Upper Intermediate: Workbook. Oxford: Oxford University Press, 2002.

Cita MLA

Oxenden, Clive, Jane Hudson, and Christina Latham Koenig. English File Upper Intermediate: Workbook. Oxford: Oxford University Press, 2002.