Wooldridge, J. M. (2009). Econometrics. Cengage Learning.
Chicago-čujuhus (17. p.)Wooldridge, Jeffrey M. Econometrics. New Delhi: Cengage Learning, 2009.
MLA-čujuhus (9. p.)Wooldridge, Jeffrey M. Econometrics. Cengage Learning, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.