Childe, V. G. (1973). Society and knowledge. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)Childe, V. Gordon. Society and Knowledge. Westport, Conn.: Greenwood Press, 1973.
Lua MLA (8ú heag.)Childe, V. Gordon. Society and Knowledge. Greenwood Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.