Cofnodi Dyfyniadau
Dyfyniad APA
Estados Unidos Coast and Geodetic Survey & Andrew B. Graham Co. Photo Lithographers. (1910). Lines of Equal magnetic declination and of equal annual change in Alaska. U.S.Coast and Geodetic Survey.
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Dyfyniad Arddull Chicago
Estados Unidos Coast and Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Lines of Equal Magnetic Declination and of Equal Annual Change in Alaska. U.S.Coast and Geodetic Survey, 1910.
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Dyfyniad MLA
Estados Unidos Coast and Geodetic Survey and Andrew B. Graham Co. Photo Lithographers. Lines of Equal Magnetic Declination and of Equal Annual Change in Alaska. U.S.Coast and Geodetic Survey, 1910.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.