World Health Organization. (1998). Health 21: Health for all in the 21st century. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Health 21: Health for All in the 21st Century. Denmark: World Health Organization, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Health 21: Health for All in the 21st Century. World Health Organization, 1998.
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