APA (7e ed.) Bronvermelding

Gower, R. (2004). Grammar in practice 3 (First edition.). Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Gower, Roger. Grammar in Practice 3. First edition. Cambridge: Cambridge University Press, 2004.

MLA (9e ed.) Bronvermelding

Gower, Roger. Grammar in Practice 3. First edition. Cambridge University Press, 2004.