Não informado. (1901). Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. London: Institute of Sewage and Purification, 1901.
MLA-Zitierstil (8. Ausg.)Não informado. Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification, 1901.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.