Oxenden, C., & Latham Koenig, C. (2000). English file intermediate: Class Audio CDs. Oxford: Oxford University Press.
Citación estilo ChicagoOxenden, Clive, and Christina Latham Koenig. English File Intermediate: Class Audio CDs. Oxford: Oxford University Press, 2000.
Cita MLAOxenden, Clive, and Christina Latham Koenig. English File Intermediate: Class Audio CDs. Oxford: Oxford University Press, 2000.
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