Citazione Stile APA (7a Edizione)

Oxenden C. Clive & Latham-Koenig C. Christina. (2000). English File. Intermediate: Student's Book. New York, Oxford University Press, 2000.

Citazione stile Chigago Style (17a edizione)

Oxenden C. Clive e Latham-Koenig C. Christina. English File. Intermediate: Student's Book. New York, Oxford University Press, 2000, 2000.

Citatione MLA (9a ed.)

Oxenden C. Clive e Latham-Koenig C. Christina. English File. Intermediate: Student's Book. New York, Oxford University Press, 2000, 2000.