Davies, G. R., & Crowder, W. F. Methods of statiscal analysis in the social sciences.
Lua i Stíl Chicago (17ú heag.)Davies, George R., agus Walter F. Crowder. Methods of Statiscal Analysis in the Social Sciences.
Lua MLA (8ú heag.)Davies, George R., agus Walter F. Crowder. Methods of Statiscal Analysis in the Social Sciences.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.