Du Bois, W. (2001). Applying sociology. Allyn & Bacon.
Lua i Stíl Chicago (17ú heag.)Du Bois, Wiliam. Applying Sociology. Allyn & Bacon, 2001.
Lua MLA (8ú heag.)Du Bois, Wiliam. Applying Sociology. Allyn & Bacon, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.