APA引文

Avtar singh. (1989). Law Contract (5.). Eastern Book company.

芝加哥风格引文

Avtar singh. Law Contract. 5. New Delhi: Eastern Book company, 1989.

MLA引文

Avtar singh. Law Contract. 5. Eastern Book company, 1989.

警告：这些引文格式不一定是100％准确.