Dokumentuaren aipamena
APA (7th ed.) Zitazioa
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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Chicago Style (17th ed.) Zitazioa
Estados Unidos Coast and Geodetic Survey eta 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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MLA (9th ed.) Zitazioa
Estados Unidos Coast and Geodetic Survey eta 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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Kontuz: berrikusi erreferentzia hauek erabili aurretik.