APA (7th ed.) Zitazioa

Radford. Andrew. (1999). Linguistics: An instroduction. University pr..

Chicago Style (17th ed.) Zitazioa

Radford. Andrew. Linguistics: An Instroduction. Cambridge: University pr., 1999.

MLA (9th ed.) Zitazioa

Radford. Andrew. Linguistics: An Instroduction. University pr., 1999.