Sands, P. (2003). Principles of international environmental law (Second edition.). Cambridge University Press.
芝加哥风格引文Sands, Philippe. Principles of International Environmental Law. Second edition. Cambridge ; New York: Cambridge University Press, 2003.
MLA引文Sands, Philippe. Principles of International Environmental Law. Second edition. Cambridge University Press, 2003.
警告：这些引文格式不一定是100％准确.