APA引文

Hughes, D. (1996). Environmental law (ed. 3.). Butterworths.

Chicago Edition Citation

Hughes, David. Environmental Law. ed. 3. London: Butterworths, 1996.

MLA引文

Hughes, David. Environmental Law. ed. 3. Butterworths, 1996.

警告：這些引文格式不一定是100％准確.