Παραπομπή APA

Radford,, A. .. (2003). Linguistics: An introduction. Cambridge university press.

Παραπομπή Chicago Style

Radford,, Andrew .Etel. Linguistics: An Introduction. New York: Cambridge university press, 2003.

Παραπομπή MLA

Radford,, Andrew .Etel. Linguistics: An Introduction. Cambridge university press, 2003.