APA引文

P. W. Birnie. (2002). International law and the environment. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

P. W. Birnie. International Law and the Environment. Oxford: Oxford University Press, 2002.

MLA引文

P. W. Birnie. International Law and the Environment. Oxford: Oxford University Press, 2002.

警告：这些引文格式不一定是100％准确.