APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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