Dyfyniad APA
National Bureau of Economic Research, ebrary, Inc, Gruber, J., & Wise, D. A. (2007). Social security programs and retirement around the world: Fiscal implications of reform. University of Chicago Press.
Dyfyniad Arddull Chicago
National Bureau of Economic Research, Inc ebrary, Jonathan Gruber, and David A. Wise. Social Security Programs and Retirement Around the World: Fiscal Implications of Reform. Chicago: University of Chicago Press, 2007.
Dyfyniad MLA
National Bureau of Economic Research, et al. Social Security Programs and Retirement Around the World: Fiscal Implications of Reform. University of Chicago Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.