Wooldridge, J. M. (2020). Introductory econometrics: A modern approach (Seventh edition.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Seventh edition. Boston, MA: Cengage Learning, 2020.
Lua MLA (8ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. Seventh edition. Cengage Learning, 2020.
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