APA-referens

Richards, J. C. (2013). Four corners: Student's book. Cambridge: Cambridge University Press.

Chicago-stil citat

Richards, Jack C. Four Corners: Student's Book. Cambridge: Cambridge University Press, 2013.

MLA-referens

Richards, Jack C. Four Corners: Student's Book. Cambridge: Cambridge University Press, 2013.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.