Lua APA (7ú heag.)

Fried, M. (1973). The world of the urban working class. Harvard University Press.

Lua i Stíl Chicago (17ú heag.)

Fried, Marc. The World of the Urban Working Class. Cambridge, Mass: Harvard University Press, 1973.

Lua MLA (9ú heag.)

Fried, Marc. The World of the Urban Working Class. Harvard University Press, 1973.

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