APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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