Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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