Tay, J. (2004). Resources from sludge: forging new frontiers: Selected proceedings of the IWA International Specialised Conference "Resources from Sludge: Forging New Frontiers", held in Singapore, 2 - 3 March 2004. IWA Publ.
Chicago-Zitierstil (17. Ausg.)Tay, Joo-Hwa. Resources from Sludge: Forging New Frontiers: Selected Proceedings of the IWA International Specialised Conference "Resources from Sludge: Forging New Frontiers", Held in Singapore, 2 - 3 March 2004. London: IWA Publ, 2004.
MLA-Zitierstil (9. Ausg.)Tay, Joo-Hwa. Resources from Sludge: Forging New Frontiers: Selected Proceedings of the IWA International Specialised Conference "Resources from Sludge: Forging New Frontiers", Held in Singapore, 2 - 3 March 2004. IWA Publ, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.