Valdes-Prieto, s. (1997). The economics of pensions: Principles, policies, and international experience. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Valdes-Prieto, salvador. The Economics of Pensions: Principles, Policies, and International Experience. Cambridge, United Kingdom ; New York: Cambridge University Press, 1997.
Lua MLA (9ú heag.)Valdes-Prieto, salvador. The Economics of Pensions: Principles, Policies, and International Experience. Cambridge University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.