Duncan, O. D., & Reiss, A. J. (1956). Social characteristics of urban and rural communities, 1950. Wiley.
Lua i Stíl Chicago (17ú heag.)Duncan, Otis Dudley, agus Albert J. Reiss. Social Characteristics of Urban and Rural Communities, 1950. New York: Wiley, 1956.
Lua MLA (9ú heag.)Duncan, Otis Dudley, agus Albert J. Reiss. Social Characteristics of Urban and Rural Communities, 1950. Wiley, 1956.