Dyfyniad APA

Birnie, P. (2009). International Law and the Environment (3rd.). Oxford University Press.

Dyfyniad Arddull Chicago

Birnie, Patricia. International Law and the Environment. 3rd. Oxford: Oxford University Press, 2009.

Dyfyniad MLA

Birnie, Patricia. International Law and the Environment. 3rd. Oxford University Press, 2009.

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