Bibliografia principal:
1. TCHOBANOUGLOS, G.; BURTON, F. L.; STENSEL, H. D. - Wastewater Engineering Treatment and Reuse. 4th Ed., METCAL&EDDY, McGraw Hill, 2003, 1848 pp.
2. The Handbook of Water and Wastewater Microbiology. Edited by DUNCAN MARA and NIGEL HORAN, Academic Press, London, 2003, 819 pp.
3. FEACHEM, R.; BRADLEY, D.; GARELIK, H; MARA, D. – Sanitation and Disease. Health Aspects of Excreta and Wastewater Management. World Bank Studies in Water Supply and Sanitation 3. John Wiley & Sons, Chichester, 1983, 501pp.