Cofnodi Dyfyniadau
Dyfyniad APA
Estados Unidos Coast and Geodetic Survey & Norris Peters Co. (1906). Sketch of general Progress. U. S. Coast and Geodetic Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Coast and Geodetic Survey and Norris Peters Co. Sketch of General Progress. U. S. Coast and Geodetic Survey, 1906.
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Dyfyniad MLA
Estados Unidos Coast and Geodetic Survey and Norris Peters Co. Sketch of General Progress. U. S. Coast and Geodetic Survey, 1906.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.