APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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