Macro International. Institute for Resource Development. Demographic and Health Surveys. (1998). Yemen demographic and maternal and child health survey, 1997. Central Statistical Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacro International. Institute for Resource Development. Demographic and Health Surveys. Yemen Demographic and Maternal and Child Health Survey, 1997. Sana'a, Yemen: Central Statistical Organization, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMacro International. Institute for Resource Development. Demographic and Health Surveys. Yemen Demographic and Maternal and Child Health Survey, 1997. Central Statistical Organization, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.