Citiranje zadetka
APA citiranje
Estados Unidos Geological Survey. (1928). General geologic map and sections of the Keweenawan and associated rocks in the lake superior copper district. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Estados Unidos Geological Survey. General Geologic Map and Sections of the Keweenawan and Associated Rocks in the Lake Superior Copper District. U. S. Geological Survey, 1928.
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MLA citiranje
Estados Unidos Geological Survey. General Geologic Map and Sections of the Keweenawan and Associated Rocks in the Lake Superior Copper District. U. S. Geological Survey, 1928.
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