APA引文

Samuelson, P. A. (1999). Economics /6e (6th ed.). New Delhi.

Chicago Edition Citation

Samuelson, Paul A. Economics /6e. 6th ed. TMH: New Delhi, 1999.

MLA引文

Samuelson, Paul A. Economics /6e. 6th ed. New Delhi, 1999.

警告：这些引文格式不一定是100％准确.