Skinner, J. (2007). Are you sure you're saving enough for retirement? National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Skinner, Jonathan. Are You Sure You're Saving Enough for Retirement? Cambridge, Mass: National Bureau of Economic Research, 2007.
MLA-Zitierstil (9. Ausg.)Skinner, Jonathan. Are You Sure You're Saving Enough for Retirement? National Bureau of Economic Research, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.