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Dyfyniad Arddull ChicagoNational Research Council (U.S.). Panel on Electricity from Renewable Resources and Inc ebrary. Electricity from Renewable Resources: Status, Prospects, and Impediments. Washington, D.C.: National Academies Press, 2010.
Dyfyniad MLANational Research Council (U.S.). Panel on Electricity from Renewable Resources and Inc ebrary. Electricity from Renewable Resources: Status, Prospects, and Impediments. National Academies Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.