Não informado. (1972). Abstracts on health effects of environmental pollutants. Biosciences Information Service of Biological Abstracts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts on Health Effects of Environmental Pollutants. Philadelphia, Pa: Biosciences Information Service of Biological Abstracts, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts on Health Effects of Environmental Pollutants. Biosciences Information Service of Biological Abstracts, 1972.
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