APA (7th ed.) Zitazioa

Crowley, T. (1997). An introduction to historical linguistics (3a. ed.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Crowley, Terry. An Introduction to Historical Linguistics. 3a. ed. Auckland: Oxford University Press, 1997.

MLA (9th ed.) Zitazioa

Crowley, Terry. An Introduction to Historical Linguistics. 3a. ed. Oxford University Press, 1997.