Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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