Wooldridge, J. M. (2002). Econometric analysis of cross section and panel data. MIT Press.
Lua i Stíl Chicago (17ú heag.)Wooldridge, Jeffrey M. Econometric Analysis of Cross Section and Panel Data. Cambridge, Mass.: MIT Press, 2002.
Lua MLA (8ú heag.)Wooldridge, Jeffrey M. Econometric Analysis of Cross Section and Panel Data. MIT Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.