Wooldridge, J. M. (2006). Introductory Econometrics (4th.). Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics. 4th. New Delhi: Thomson Learning, 2006.
Lua MLA (9ú heag.)Wooldridge, Jeffrey M. Introductory Econometrics. 4th. Thomson Learning, 2006.
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