Luanna taifid
Lua APA (7ú heag.)
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.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Estados Unidos Coast and Geodetic Survey agus 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.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Estados Unidos Coast and Geodetic Survey agus 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.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.