Brucker, G. (1979). People and communities in the Western world. Dorsey.
Lua i Stíl Chicago (17ú heag.)Brucker, Gene. People and Communities in the Western World. Illinois: Dorsey, 1979.
Lua MLA (9ú heag.)Brucker, Gene. People and Communities in the Western World. Dorsey, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.