Não informado. (1901). Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal and Proceedings of the Institution of Sewage Purification. London: Institute of Sewage and Purification, 1901.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification, 1901.
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