Johnson, K., Bradley, S. E., & Govindasamy, P. (2008). Trends in economic differentials in population and health. Macro International Inc., USAID.
Chicago-referens (17:e uppl.)Johnson, Kiersten, Sarah E.K Bradley, och Pav Govindasamy. Trends in Economic Differentials in Population and Health. Kathmandu: Macro International Inc., USAID, 2008.
MLA-referens (8:e uppl.)Johnson, Kiersten, et al. Trends in Economic Differentials in Population and Health. Macro International Inc., USAID, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.