Feldstein, M., & Samwick, A. (2000). Allocating payroll tax revenue to personal retirement accounts to maintain social security benefits and the payroll tax rate. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Feldstein, Martin, e Andrew Samwick. Allocating Payroll Tax Revenue to Personal Retirement Accounts to Maintain Social Security Benefits and the Payroll Tax Rate. Cambridge: National Bureau of Economic Research, 2000.
Citatione MLA (9a ed.)Feldstein, Martin, e Andrew Samwick. Allocating Payroll Tax Revenue to Personal Retirement Accounts to Maintain Social Security Benefits and the Payroll Tax Rate. National Bureau of Economic Research, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.