Lua APA (7ú heag.)

Não informado. (1974). Race and class. Institute of Race Relations.

Lua i Stíl Chicago (17ú heag.)

Não informado. Race and Class. London: Institute of Race Relations, 1974.

Lua MLA (8ú heag.)

Não informado. Race and Class. Institute of Race Relations, 1974.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.