Feldstein, M. (1997). Transition to a fully funded pension system: Five economic issues. National Bureau of Economic Research.
Lua i Stíl Chicago (17ú heag.)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. Cambridge: National Bureau of Economic Research, 1997.
Lua MLA (9ú heag.)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. National Bureau of Economic Research, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.