Cofnodi Dyfyniadau
Dyfyniad APA
Estados Unidos Coast & Geodetic Survey & Andrew B. Graham Co. Photo Lithographers. (1909). Sketch of general progress. U. S. Coast & Geodetic Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Coast & Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Sketch of General Progress. U. S. Coast & Geodetic Survey, 1909.
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Dyfyniad MLA
Estados Unidos Coast & Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Sketch of General Progress. U. S. Coast & Geodetic Survey, 1909.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.