Nathanson, J. A. (2008). Basic environmental technology: Water supply,waste management, and pollution control (5th ed.). Prentice Hall of India.
Dyfyniad Arddull ChicagoNathanson, Jerry A. Basic Environmental Technology: Water Supply,waste Management, and Pollution Control. 5th ed. New Delhi: Prentice Hall of India, 2008.
Dyfyniad MLANathanson, Jerry A. Basic Environmental Technology: Water Supply,waste Management, and Pollution Control. 5th ed. Prentice Hall of India, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.