Dyfyniad APA

Haushofer, J., John, A., & Orkin, K. (2019). Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research.

Dyfyniad Arddull Chicago

Haushofer, J., A. John, and K. Orkin. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.

Dyfyniad MLA

Haushofer, J., et al. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.

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