APA引文

Pugel,Thomas A. (2004). International economics (12.). McGraw Hill.

Chicago Edition Citation

Pugel,Thomas A. International Economics. 12. New York: McGraw Hill, 2004.

MLA引文

Pugel,Thomas A. International Economics. 12. McGraw Hill, 2004.

警告：這些引文格式不一定是100％准確.