Não informado. (1928). Water pollution abstracts. Water Pollution Research Laboratory.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Water Pollution Abstracts. London: Water Pollution Research Laboratory, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Water Pollution Abstracts. Water Pollution Research Laboratory, 1928.
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