Haushofer, J., John, A., & Orkin, K. (2019). Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHaushofer, J., A. John, और K. Orkin. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHaushofer, J., et al. Can Simple Psychological Interventions Increase Preventive Health Investment? National Bureau of Economic Research, 2019.
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