Feldstein, M. (1997). Transition to a fully funded pension system: Five economic issues. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. Cambridge: National Bureau of Economic Research, 1997.
Citatione MLA (9a ed.)Feldstein, Martin. Transition to a Fully Funded Pension System: Five Economic Issues. National Bureau of Economic Research, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.