APA استشهاد

Brownlie,Ian. (2003). Principles of public international law (ed 6.). Oxford University press.

استشهاد بنمط شيكاغو

Brownlie,Ian. Principles of Public International Law. ed 6. Oxford: Oxford University press, 2003.

MLA استشهاد

Brownlie,Ian. Principles of Public International Law. ed 6. Oxford University press, 2003.