APA引文

Duignan, P. (1980). United States in the 1980's. Kalyani.

Chicago Edition Citation

Duignan, Peter. United States in the 1980's. New Delhi: Kalyani, 1980.

MLA引文

Duignan, Peter. United States in the 1980's. Kalyani, 1980.

警告：这些引文格式不一定是100％准确.