APA引文

Williamson, S. D. (2011). Macroeconomics (4th ed.). Addison-Wesley.

芝加哥风格引文

Williamson, Stephen D. Macroeconomics. 4th ed. Boston: Addison-Wesley, 2011.

MLA引文

Williamson, Stephen D. Macroeconomics. 4th ed. Addison-Wesley, 2011.

警告：这些引文格式不一定是100％准确.