(1991). Demographic and Health Surveys World Conference (1991: Washington, D.C.). IRD/Macro International.
Chicago Style (17th ed.) CitationDemographic and Health Surveys World Conference (1991: Washington, D.C.). Columbia, MD: IRD/Macro International, 1991.
MLA引文Demographic and Health Surveys World Conference (1991: Washington, D.C.). IRD/Macro International, 1991.
警告:這些引文格式不一定是100%准確.