Dyfyniad APA

ebrary, Inc. (1999). New directions in water resources planning for the U.S. Army Corps of Engineers. National Academy Press.

Dyfyniad Arddull Chicago

ebrary, Inc. New Directions in Water Resources Planning for the U.S. Army Corps of Engineers. Washington, D.C.: National Academy Press, 1999.

Dyfyniad MLA

ebrary, Inc. New Directions in Water Resources Planning for the U.S. Army Corps of Engineers. National Academy Press, 1999.

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