Παραπομπή σε μορφή APA (7η εκδ.)
Katz, M. B. (1995). Improving poor people: The welfare state, the "underclass," and urban schools as history. Princeton University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Katz, Michael B. Improving Poor People: The Welfare State, the "Underclass," and Urban Schools as History. Princeton, N.J.: Princeton University Press, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)
Katz, Michael B. Improving Poor People: The Welfare State, the "Underclass," and Urban Schools as History. Princeton University Press, 1995.
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