Cita APA (7th ed.)

Oxenden C. Clive & Latham-Koenig C. Christina. (2008). New English File. Upper-Intermediate: Teacher's Book. New York, Oxford University Press, 2008.

Cita Chicago (17th ed.)

Oxenden C. Clive i Latham-Koenig C. Christina. New English File. Upper-Intermediate: Teacher's Book. New York, Oxford University Press, 2008, 2008.

Cita MLA (9th ed.)

Oxenden C. Clive i Latham-Koenig C. Christina. New English File. Upper-Intermediate: Teacher's Book. New York, Oxford University Press, 2008, 2008.