Não informado. (1901). Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. London: Institute of Sewage and Purification, 1901.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification, 1901.
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