APA استشهاد

Simpson,, J. (1989). Oxford English dictionary: Vol.6 (2nd ed.). Clarendon Press.

استشهاد بنمط شيكاغو

Simpson,, J.A. Oxford English Dictionary: Vol.6. 2nd ed. Oxford: Clarendon Press, 1989.

MLA استشهاد

Simpson,, J.A. Oxford English Dictionary: Vol.6. 2nd ed. Clarendon Press, 1989.