Crawley, M. (2005). Statistics: An introduction using R. Wiley.
Lua i Stíl Chicago (17ú heag.)Crawley, MJ. Statistics: An Introduction Using R. England: Wiley, 2005.
Lua MLA (9ú heag.)Crawley, MJ. Statistics: An Introduction Using R. Wiley, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.