Hubbard, R. G., & Skinner, J. S. (1996). Assessing the effectiveness of saving incentives. National Bureau of Economic Research.
Čikaški stil citiranja (17. izdanje)Hubbard, R Glenn, i Jonathan S. Skinner. Assessing the Effectiveness of Saving Incentives. Cambridge: National Bureau of Economic Research, 1996.
MLA način citiranja (9. izdanje)Hubbard, R Glenn, i Jonathan S. Skinner. Assessing the Effectiveness of Saving Incentives. National Bureau of Economic Research, 1996.
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