Cita APA (7th ed.)

Feldstein, M., & Samwick, A. (2001). Potential paths of social security reform. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Feldstein, Martin, i Andrew Samwick. Potential Paths of Social Security Reform. Cambridge: National Bureau of Economic Research, 2001.

Cita MLA (9th ed.)

Feldstein, Martin, i Andrew Samwick. Potential Paths of Social Security Reform. National Bureau of Economic Research, 2001.