Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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