Dyfyniad APA
National Research Council (U.S.). Panel on Water and Climate & ebrary, Inc. (1977). Climate, climatic change, and water supply. National Academy of Sciences.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Panel on Water and Climate and Inc ebrary. Climate, Climatic Change, and Water Supply. Washington: National Academy of Sciences, 1977.
Dyfyniad MLA
National Research Council (U.S.). Panel on Water and Climate and Inc ebrary. Climate, Climatic Change, and Water Supply. National Academy of Sciences, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.