Valdes-Prieto, s. (1997). The economics of pensions: Principles, policies, and international experience. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रValdes-Prieto, salvador. The Economics of Pensions: Principles, Policies, and International Experience. Cambridge, United Kingdom ; New York: Cambridge University Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रValdes-Prieto, salvador. The Economics of Pensions: Principles, Policies, and International Experience. Cambridge University Press, 1997.
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