Wooldridge, J. M. (2009). Introductory econometrics: A modern approach (Fourth edition.). South Western, Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Fourth edition. Mason, OH: South Western, Cengage Learning, 2009.
Lua MLA (8ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Fourth edition. South Western, Cengage Learning, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.