APA (7th ed.) Zitazioa

Yule, G. (1995). The Study of language: An introduction. Univ.pr..

Chicago Style (17th ed.) Zitazioa

Yule, George. The Study of Language: An Introduction. Cambridge: Univ.pr., 1995.

MLA (9th ed.) Zitazioa

Yule, George. The Study of Language: An Introduction. Univ.pr., 1995.