Feldstein, M. (1997). Transition to a fully funded pension system: Five economic issues. National Bureau of Economic Research.
Cita Chicago (17th ed.)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. Cambridge: National Bureau of Economic Research, 1997.
Cita MLA (9th ed.)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. National Bureau of Economic Research, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.