Kelsen, H. (1966). Principles of international law / Hans Kelsen ; revised and edited by Robert W. Tucker (2nd ed.). Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Kelsen, Hans. Principles of International Law / Hans Kelsen ; Revised and Edited by Robert W. Tucker. 2nd ed. New York: Holt, Rinehart and Winston, 1966.
Lua MLA (9ú heag.)Kelsen, Hans. Principles of International Law / Hans Kelsen ; Revised and Edited by Robert W. Tucker. 2nd ed. Holt, Rinehart and Winston, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.