Não informado. (1914). Journal of the American Water Works Association. American Water Works Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Water Works Association. Denver, Colo: American Water Works Association, 1914.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the American Water Works Association. American Water Works Association, 1914.
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