Leech, N. E. (1973). International legal system: Cases and materials. Foundation.
Cita Chicago (17th ed.)Leech, Noyes E. International Legal System: Cases and Materials. Mineola: Foundation, 1973.
Cita MLA (9th ed.)Leech, Noyes E. International Legal System: Cases and Materials. Foundation, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.