APA-referens

a. (2001). Cambridge certificate of proficiency in English (Student's book with answer). Oxford: Cambridge University Press.

Chicago-stil citat

a. Cambridge Certificate of Proficiency in English (Student's Book With Answer). Oxford: Cambridge University Press, 2001.

MLA-referens

a. Cambridge Certificate of Proficiency in English (Student's Book With Answer). Oxford: Cambridge University Press, 2001.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.