World Health Organization. (1996). Guidelines for drinking - water quality: Health criteria and other supporting information (Second.). World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guidelines for Drinking - Water Quality: Health Criteria and Other Supporting Information. Second. Geneva: World Health Organization, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guidelines for Drinking - Water Quality: Health Criteria and Other Supporting Information. Second. World Health Organization, 1996.
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