World Health Organization. (1999). Reduction of maternal mortality. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Reduction of Maternal Mortality. Geneva: World Health Organization, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Reduction of Maternal Mortality. World Health Organization, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.