APA (7 वां संस्करण) प्रशस्ति पत्र
World Bank, ebrary, Inc, Holzmann, R., & Palmer, E. E. (2005). Pension reform: Issues and prospect for non-financial defined contribution (NDC) schemes. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
World Bank, Inc ebrary, Robert Holzmann, और Edward E. Palmer. Pension Reform: Issues and Prospect for Non-financial Defined Contribution (NDC) Schemes. Washington, DC: World Bank, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
World Bank, et al. Pension Reform: Issues and Prospect for Non-financial Defined Contribution (NDC) Schemes. World Bank, 2005.
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