Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Estados Unidos Geological Survey. (19). Development of Minesota fissure and associated Lodes of Michigan mine. U. S. Geological Survey.
Chicago Style (17th ed.) Zitazioa
Estados Unidos Geological Survey. Development of Minesota Fissure and Associated Lodes of Michigan Mine. U. S. Geological Survey, 19.
MLA (9th ed.) Zitazioa
Estados Unidos Geological Survey. Development of Minesota Fissure and Associated Lodes of Michigan Mine. U. S. Geological Survey, 19.
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