APA (7e ed.) Bronvermelding

University of Cambridge. ESOL examinations. (2008). Cambridge certificate in advanced English: With answers : official examination papers from University of Cambridge ESOL examinations (For updated exam from December 2008.). Cambridge University Press.

Chicago (17e ed.) Bronvermelding

University of Cambridge. ESOL examinations. Cambridge Certificate in Advanced English: With Answers : Official Examination Papers from University of Cambridge ESOL Examinations. For updated exam from December 2008. Cambridge: Cambridge University Press, 2008.

MLA (8e ed.) Bronvermelding

University of Cambridge. ESOL examinations. Cambridge Certificate in Advanced English: With Answers : Official Examination Papers from University of Cambridge ESOL Examinations. For updated exam from December 2008. Cambridge University Press, 2008.