Moffitt, R. A. (1999). Demographic change and public assistance expenditures. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Moffitt, Robert A. Demographic Change and Public Assistance Expenditures. Cambridge: National Bureau of Economic Research, 1999.
Citace podle MLA (9th ed.)Moffitt, Robert A. Demographic Change and Public Assistance Expenditures. National Bureau of Economic Research, 1999.
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