LEVI, W. (1991). Contemporary international law: A concise introduction. Westview Press.
芝加哥风格引文LEVI, Werner. Contemporary International Law: A Concise Introduction. Boulder: Westview Press, 1991.
MLA引文LEVI, Werner. Contemporary International Law: A Concise Introduction. Westview Press, 1991.
警告：这些引文格式不一定是100％准确.