Duncan, O. D., & Reiss, A. J. (1956). Social characteristics of urban and rural communities, 1950. Wiley.
Παραπομπή σε μορφή Chicago (17η εκδ.)Duncan, Otis Dudley, και Albert J. Reiss. Social Characteristics of Urban and Rural Communities, 1950. New York: Wiley, 1956.
Παραπομπή σε μορφή MLA (9th εκδ.)Duncan, Otis Dudley, και Albert J. Reiss. Social Characteristics of Urban and Rural Communities, 1950. Wiley, 1956.