(2012). Progress on drinking water and sanitation. UNICEF and World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProgress on Drinking Water and Sanitation. New York: UNICEF and World Health Organization, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रProgress on Drinking Water and Sanitation. UNICEF and World Health Organization, 2012.
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