World Health Organization & United nations Environment Programme. (1991). IPCS: Environmental health criteria 125 platinum. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization और United nations Environment Programme. IPCS: Environmental Health Criteria 125 Platinum. Geneva: World Health Organization, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization और United nations Environment Programme. IPCS: Environmental Health Criteria 125 Platinum. World Health Organization, 1991.
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