Citazione Stile APA (7a Edizione)

Oxenden C. Clive, Latham-Koenig C. Christina, & Hadson J. Jane. (2009). New English File. Beginner: Workbook with key. New York, Oxford University Press, 2009.

Citazione stile Chigago Style (17a edizione)

Oxenden C. Clive, Latham-Koenig C. Christina, e Hadson J. Jane. New English File. Beginner: Workbook with Key. New York, Oxford University Press, 2009, 2009.

Citatione MLA (9a ed.)

Oxenden C. Clive, et al. New English File. Beginner: Workbook with Key. New York, Oxford University Press, 2009, 2009.