World Bank & Holzmann, R. (2001). New ideas about old age security = toward sustainable pension system in the 21 st century. World Bank.
Chicago Style (17. basım) AtıfWorld Bank ve Robert Holzmann. New Ideas About Old Age Security = Toward Sustainable Pension System in the 21 St Century. Washington, D.C.: World Bank, 2001.
MLA (9th ed.) AtıfWorld Bank ve Robert Holzmann. New Ideas About Old Age Security = Toward Sustainable Pension System in the 21 St Century. World Bank, 2001.
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