Engen, E. M., & Gale, W. G. (2000). The effects of 401(k) plans on household wealth: Differences across earnings groups. National Bureau of Economic Research.
Chicago-viite (17. p.)Engen, Eric M., ja William G. Gale. The Effects of 401(k) Plans on Household Wealth: Differences Across Earnings Groups. Cambridge: National Bureau of Economic Research, 2000.
MLA-viite (9. p.)Engen, Eric M., ja William G. Gale. The Effects of 401(k) Plans on Household Wealth: Differences Across Earnings Groups. National Bureau of Economic Research, 2000.
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