Cita APA (7th ed.)

Oxenden C. Clive. (2008). New English File. Upper-Intermediate: Class Audio CDs. New York, Oxford University Press, 2008.

Cita Chicago (17th ed.)

Oxenden C. Clive. New English File. Upper-Intermediate: Class Audio CDs. New York, Oxford University Press, 2008, 2008.

Cita MLA (9th ed.)

Oxenden C. Clive. New English File. Upper-Intermediate: Class Audio CDs. New York, Oxford University Press, 2008, 2008.