Cofnodi Dyfyniadau
Dyfyniad APA
Estados Unidos Regional Office Portland. (1955). Malheur National Forest. U.S. Department of Agricultura.
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Dyfyniad Arddull Chicago
Estados Unidos Regional Office Portland. Malheur National Forest. U.S. Department of Agricultura, 1955.
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Dyfyniad MLA
Estados Unidos Regional Office Portland. Malheur National Forest. U.S. Department of Agricultura, 1955.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.