World Health Organization & ebrary, Inc. (2010). World health statistics. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization और Inc ebrary. World Health Statistics. Geneva: World Health Organization, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Health Organization और Inc ebrary. World Health Statistics. World Health Organization, 2010.
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