Lua APA (7ú heag.)

Landheer, B., & Essen, J. L. F. v. (1953). Fundamentals of public international law. A. W. Sitjhoff.

Lua i Stíl Chicago (17ú heag.)

Landheer, Bartholomeus, agus Jan Louis Frederick van Essen. Fundamentals of Public International Law. Leyden: A. W. Sitjhoff, 1953.

Lua MLA (9ú heag.)

Landheer, Bartholomeus, agus Jan Louis Frederick van Essen. Fundamentals of Public International Law. A. W. Sitjhoff, 1953.

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