APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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