Richard J. Butler. (1999). The economics of social insurance and employee benefits. Norwell, MA: Klwer Academic.
Čikaški stil citiranjaRichard J. Butler. The Economics of Social Insurance and Employee Benefits. Norwell, MA: Klwer Academic, 1999.
MLA način citiranjaRichard J. Butler. The Economics of Social Insurance and Employee Benefits. Norwell, MA: Klwer Academic, 1999.
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