World Health Organization. (1990). Facts about WHO. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Facts About WHO. Switzerland: World Health Organization, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Facts About WHO. World Health Organization, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.