Παραπομπή APA

Yule, G. (2008). Study of language (3,4.). Cambridge University Press.

Παραπομπή Chicago Style

Yule, George. Study of Language. 3,4. Cambridge: Cambridge University Press, 2008.

Παραπομπή MLA

Yule, George. Study of Language. 3,4. Cambridge University Press, 2008.