Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Estados Unidos Geological Survey & Norris Peters Co Photo Litho. (1908). General map of proposed little Colorado river project Arizona. U. S. Geological Survey.
Chicago Style (17th ed.) Zitazioa
Estados Unidos Geological Survey eta Norris Peters Co Photo Litho. General Map of Proposed Little Colorado River Project Arizona. U. S. Geological Survey, 1908.
MLA (9th ed.) Zitazioa
Estados Unidos Geological Survey eta Norris Peters Co Photo Litho. General Map of Proposed Little Colorado River Project Arizona. U. S. Geological Survey, 1908.
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