APA引文

Wooldridge, J. M. (2009). Introductory econometrics: A modern approach (4th ed.). Mason, OH: South Western, Cengage Learning.

Trích dẫn kiểu Chicago

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. 4th ed. Mason, OH: South Western, Cengage Learning, 2009.

MLA引文

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. 4th ed. Mason, OH: South Western, Cengage Learning, 2009.

警告：這些引文格式不一定是100％准確.