Dyfyniad APA

Nathanson, J. A. (2004). Basic environmental technology: Water supply,waste management and pollution control (4th ed.). Prentice - Hall of India pvt ltd.

Dyfyniad Arddull Chicago

Nathanson, Jerry A. Basic Environmental Technology: Water Supply,waste Management and Pollution Control. 4th ed. New Delhi: Prentice - Hall of India pvt ltd, 2004.

Dyfyniad MLA

Nathanson, Jerry A. Basic Environmental Technology: Water Supply,waste Management and Pollution Control. 4th ed. Prentice - Hall of India pvt ltd, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.