Karelis, C. (2007). The persistence of poverty: Why the economics of the well-off can't help the poor. Yale University Press.
Chicago-referens (17:e uppl.)Karelis, Charles. The Persistence of Poverty: Why the Economics of the Well-off Can't Help the Poor. New Haven: Yale University Press, 2007.
MLA-referens (9:e uppl.)Karelis, Charles. The Persistence of Poverty: Why the Economics of the Well-off Can't Help the Poor. Yale University Press, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.