Citazione Stile APA (7a Edizione)

Cambridge ESOL. (2009). Examination papers from University of Cambridge ESOL Examinations: English for speakers of other languages: Cambridge ESOL.

Citazione stile Chigago Style (17a edizione)

Cambridge ESOL. Examination Papers from University of Cambridge ESOL Examinations: English for Speakers of Other Languages: Cambridge ESOL. Cambridge University Press, 2009.

Citatione MLA (9a ed.)

Cambridge ESOL. Examination Papers from University of Cambridge ESOL Examinations: English for Speakers of Other Languages: Cambridge ESOL. 2009.