APA引文

Hughes, D. (1992). Environmental Law (2nd ed.). Butterworths.

Chicago Edition Citation

Hughes, David. Environmental Law. 2nd ed. London: Butterworths, 1992.

MLA引文

Hughes, David. Environmental Law. 2nd ed. Butterworths, 1992.

警告：这些引文格式不一定是100％准确.