APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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