APA引文

Williams, S. (1987). An Introduction to International law (2nd.ed.). Butterworths.

Chicago Style (17th ed.) Citation

Williams, S.A. An Introduction to International Law. 2nd.ed. Toronto: Butterworths, 1987.

MLA引文

Williams, S.A. An Introduction to International Law. 2nd.ed. Butterworths, 1987.

警告：這些引文格式不一定是100％准確.