APA引文

Khan,I.A. (2002). Environmental Law (2.). central law agency.

芝加哥风格引文

Khan,I.A. Environmental Law. 2. Allahabad: central law agency, 2002.

MLA引文

Khan,I.A. Environmental Law. 2. central law agency, 2002.

警告：这些引文格式不一定是100％准确.