APA-referens

Michael Duckworth. (2000). Countdown to first certificate ( Student's book ). Oxford: Oxford Univ. Press.

Chicago-stil citat

Michael Duckworth. Countdown to First Certificate ( Student's Book ). Oxford: Oxford Univ. Press, 2000.

MLA-referens

Michael Duckworth. Countdown to First Certificate ( Student's Book ). Oxford: Oxford Univ. Press, 2000.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.