Dyfyniad APA
Environmental and Water Resources Institute (U.S.). Water Resource Planning Council. Task Committee on State Water Resource Planning Assessment, ebrary, Inc, Feather, T. D., & Viessman, W. (2006). State water resources planning in the United States. American Society of Civil Engineers.
Dyfyniad Arddull Chicago
Environmental and Water Resources Institute (U.S.). Water Resource Planning Council. Task Committee on State Water Resource Planning Assessment, Inc ebrary, Timothy D. Feather, and Warren Viessman. State Water Resources Planning in the United States. Reston, VA: American Society of Civil Engineers, 2006.
Dyfyniad MLA
Environmental and Water Resources Institute (U.S.). Water Resource Planning Council. Task Committee on State Water Resource Planning Assessment, et al. State Water Resources Planning in the United States. American Society of Civil Engineers, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.