World Water Congress (International Water Association) Marrakesch. (2005). 4th World Water Congress: operation and management - wastewater treatment plant, sewer systems and environmental impacts: Selected papers of the 4th World Water Congress of the International Water Association, held in Marrakech, Morocco, 19 - 24 September 2004. IWA Publ.
Chicago-Zitierstil (17. Ausg.)World Water Congress (International Water Association) Marrakesch. 4th World Water Congress: Operation and Management - Wastewater Treatment Plant, Sewer Systems and Environmental Impacts: Selected Papers of the 4th World Water Congress of the International Water Association, Held in Marrakech, Morocco, 19 - 24 September 2004. London: IWA Publ, 2005.
MLA-Zitierstil (9. Ausg.)World Water Congress (International Water Association) Marrakesch. 4th World Water Congress: Operation and Management - Wastewater Treatment Plant, Sewer Systems and Environmental Impacts: Selected Papers of the 4th World Water Congress of the International Water Association, Held in Marrakech, Morocco, 19 - 24 September 2004. IWA Publ, 2005.