APA aipamena

Wooldridge, J. M. (2009). Introductory econometrics: A modern approach (Fourth edition.). South Western, Cengage Learning.

Chicago Style aipamena

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Fourth edition. Mason, OH: South Western, Cengage Learning, 2009.

MLA aipamena

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Fourth edition. South Western, Cengage Learning, 2009.