Johnson, K., Bradley, S. E., & Govindasamy, P. (2008). Trends in economic differentials in population and health. Macro International Inc., USAID.
Chicago-viite (17. p.)Johnson, Kiersten, Sarah E.K Bradley, ja Pav Govindasamy. Trends in Economic Differentials in Population and Health. Kathmandu: Macro International Inc., USAID, 2008.
MLA-viite (8. p.)Johnson, Kiersten, et al. Trends in Economic Differentials in Population and Health. Macro International Inc., USAID, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.