Cofnodi Dyfyniadau
Dyfyniad APA
ebrary, Inc. (2000). Environmental issues in Pacific Northwest forest management. National Academy Press.
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Dyfyniad Arddull Chicago
ebrary, Inc. Environmental Issues in Pacific Northwest Forest Management. Washington, D.C.: National Academy Press, 2000.
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Dyfyniad MLA
ebrary, Inc. Environmental Issues in Pacific Northwest Forest Management. National Academy Press, 2000.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.