Haushofer, J., John, A., & Orkin, K. (2019). Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research.
Chicago-viite (17. p.)Haushofer, J., A. John, ja K. Orkin. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
MLA-viite (9. p.)Haushofer, J., et al. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
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