GoldsmithWilliamBlakelyEdward. 1992. Separate societies: Poverty and inequality in U.S. cities. Philadelphia, PA: Temple University Press.
2.
National Advisory Commission on Civil Disorders. 1968. Report of the National Advisory Commission on Civil Disorders. Washington, DC: National Advisory Commission on Civil Disorders.
3.
WilsonWilliam J.1987. The truly disadvantaged: The inner city, the underclass, and public policy. Chicago, IL: University of Chicago Press.