एपीए उद्धरण

Oppenheim. (1996). Oppenheim's international law: Peace.Volume 1. Introduction and part I (9th ed.). Pearson Education.

शिकागो स्टाइल उद्धरण

Oppenheim. Oppenheim's International Law: Peace.Volume 1. Introduction and Part I. 9th ed. Delhi: Pearson Education, 1996.

एमएलए उद्धरण

Oppenheim. Oppenheim's International Law: Peace.Volume 1. Introduction and Part I. 9th ed. Pearson Education, 1996.