Freedman, D. A. (2005). Statistical models: Theory and practice. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Freedman, David A. Statistical Models: Theory and Practice. New YorK: Cambridge University Press, 2005.
Lua MLA (9ú heag.)Freedman, David A. Statistical Models: Theory and Practice. Cambridge University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.