APA (7th ed.) Zitazioa

Leech, N. E. (1973). International legal system: Cases and materials. Foundation.

Chicago Style (17th ed.) Zitazioa

Leech, Noyes E. International Legal System: Cases and Materials. Mineola: Foundation, 1973.

MLA (9th ed.) Zitazioa

Leech, Noyes E. International Legal System: Cases and Materials. Foundation, 1973.