APA Citatie

Adrian Doff, & Adrian Doff; Ben Goldstein. (2011). English unlimited. C1, Advanced Coursebook with e-Portfolio. Cambridge: Cambridge University Press.

Chicago Style citaat

Adrian Doff, en Adrian Doff; Ben Goldstein. English Unlimited. C1, Advanced Coursebook With E-Portfolio. Cambridge: Cambridge University Press, 2011.

MLA citatie

Adrian Doff, en Adrian Doff; Ben Goldstein. English Unlimited. C1, Advanced Coursebook With E-Portfolio. Cambridge: Cambridge University Press, 2011.

Let op: Deze citaties zijn niet altijd 100% accuraat.