APA استشهاد

Brownlie,Ian. (2008). Principles of public international law (7th ed.). Oxford University press.

استشهاد بنمط شيكاغو

Brownlie,Ian. Principles of Public International Law. 7th ed. Oxford: Oxford University press, 2008.

MLA استشهاد

Brownlie,Ian. Principles of Public International Law. 7th ed. Oxford University press, 2008.