Dyfyniad APA
National Research Council (U.S.). Committee on Assessing the Costs of Natural Disasters & ebrary, Inc. (1999). The impacts of natural disasters: A framework for loss estimation. National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Assessing the Costs of Natural Disasters and Inc ebrary. The Impacts of Natural Disasters: A Framework for Loss Estimation. Washington, D.C.: National Academy Press, 1999.
Dyfyniad MLA
National Research Council (U.S.). Committee on Assessing the Costs of Natural Disasters and Inc ebrary. The Impacts of Natural Disasters: A Framework for Loss Estimation. National Academy Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.