Παραπομπή APA

Robert Jenning & Arthur walts. (2003). Oppenheim's international law vol.1 (ed.9.). Universal law publishing company.

Παραπομπή Chicago Style

Robert Jenning και Arthur walts. Oppenheim's International Law Vol.1. ed.9. New Delhi: Universal law publishing company, 2003.

Παραπομπή MLA

Robert Jenning και Arthur walts. Oppenheim's International Law Vol.1. ed.9. Universal law publishing company, 2003.