APA (7e ed.) Bronvermelding

(2008). Cambridge IELTS 6: Examination papers from University of Cambridge ESOL Examinations: English for Speakers of Other Languages (3rd ed.). New York, Cambridge University Press, 2008.

Chicago (17e ed.) Bronvermelding

Cambridge IELTS 6: Examination Papers from University of Cambridge ESOL Examinations: English for Speakers of Other Languages. 3rd ed. New York, Cambridge University Press, 2008, 2008.

MLA (9e ed.) Bronvermelding

Cambridge IELTS 6: Examination Papers from University of Cambridge ESOL Examinations: English for Speakers of Other Languages. 3rd ed. New York, Cambridge University Press, 2008, 2008.