APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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