Citazione Stile APA (7a Edizione)

Oxenden C. Clive, Latham-Koenig C. Christina, & Hudson J. Jane. (2012). New English File. Upper-Intermediate: Woorkbook. Oxford, Oxford University Press, 2012.

Citazione stile Chigago Style (17a edizione)

Oxenden C. Clive, Latham-Koenig C. Christina, e Hudson J. Jane. New English File. Upper-Intermediate: Woorkbook. Oxford, Oxford University Press, 2012, 2012.

Citatione MLA (9a ed.)

Oxenden C. Clive, et al. New English File. Upper-Intermediate: Woorkbook. Oxford, Oxford University Press, 2012, 2012.