(1948). An Introduction To The History Of Sociology / Edited By Harry Elmer Barnes. The University ofd Chicago Press.
Lua i Stíl Chicago (17ú heag.)An Introduction To The History Of Sociology / Edited By Harry Elmer Barnes. The University ofd Chicago Press, 1948.
Lua MLA (8ú heag.)An Introduction To The History Of Sociology / Edited By Harry Elmer Barnes. The University ofd Chicago Press, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.