National Research Council (U.S.). Committee on Coal Waste Impoundments & ebrary, Inc. (2002). Coal waste impoundments: Risks, responses, and alternatives. National Academy Press.
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Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Coal Waste Impoundments and Inc ebrary. Coal Waste Impoundments: Risks, Responses, and Alternatives. Washington, D.C.: National Academy Press, 2002.
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Dyfyniad MLA
National Research Council (U.S.). Committee on Coal Waste Impoundments and Inc ebrary. Coal Waste Impoundments: Risks, Responses, and Alternatives. National Academy Press, 2002.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.