APA استشهاد

Yules, G. (1997). Study of Language (2nd.). Cambridge University Press.

استشهاد بنمط شيكاغو

Yules, Geroge. Study of Language. 2nd. Cambridge: Cambridge University Press, 1997.

MLA استشهاد

Yules, Geroge. Study of Language. 2nd. Cambridge University Press, 1997.