APA-referens (7:e uppl.)

Gower, R. (2005). Grammar in practice 5 (First edition.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Gower, Roger. Grammar in Practice 5. First edition. Cambridge: Cambridge University Press, 2005.

MLA-referens (9:e uppl.)

Gower, Roger. Grammar in Practice 5. First edition. Cambridge University Press, 2005.