APA引文

Keenan, D., & Riches, S. (1987). Business law. Pitman publishing.

芝加哥风格引文

Keenan, Denis, 与 Sarah Riches. Business Law. London: Pitman publishing, 1987.

MLA引文

Keenan, Denis, 与 Sarah Riches. Business Law. Pitman publishing, 1987.

警告：这些引文格式不一定是100％准确.