Johnson, K., Bradley, S. E., & Govindasamy, P. (2008). Trends in economic differentials in population and health. Macro International Inc., USAID.
芝加哥风格引文Johnson, Kiersten, Sarah E.K Bradley, 与 Pav Govindasamy. Trends in Economic Differentials in Population and Health. Kathmandu: Macro International Inc., USAID, 2008.
MLA引文Johnson, Kiersten, et al. Trends in Economic Differentials in Population and Health. Macro International Inc., USAID, 2008.
警告：这些引文格式不一定是100％准确.