Dyfyniad APA

Brownlie,Ian. (1990). Principles of public international law (ed 4.). ELBS.

Dyfyniad Arddull Chicago

Brownlie,Ian. Principles of Public International Law. ed 4. ELBS, 1990.

Dyfyniad MLA

Brownlie,Ian. Principles of Public International Law. ed 4. ELBS, 1990.

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