Costa, D. L. (1995). The political economy of state provided health insurance in the progressive era: Evidence from California. National Bureau of Economic Research.
Čikaški stil citiranja (17. izdanje)Costa, Dora L. The Political Economy of State Provided Health Insurance in the Progressive Era: Evidence from California. Cambridge: National Bureau of Economic Research, 1995.
MLA način citiranja (9. izdanje)Costa, Dora L. The Political Economy of State Provided Health Insurance in the Progressive Era: Evidence from California. National Bureau of Economic Research, 1995.
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