Cita APA (7th ed.)

Diamond, P., & Gruber, J. (1996). Social security and retirement in the U.S. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Diamond, Peter, i Jonathan Gruber. Social Security and Retirement in the U.S. Cambridge: National Bureau of Economic Research, 1996.

Cita MLA (9th ed.)

Diamond, Peter, i Jonathan Gruber. Social Security and Retirement in the U.S. National Bureau of Economic Research, 1996.