בקשת ציטוטים
APA ציטוט
Leverett Frank. (1929). Map of the surficial deposits of the lake superior region. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Leverett Frank. Map of the Surficial Deposits of the Lake Superior Region. U. S. Geological Survey, 1929.
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ציטוט MLA
Leverett Frank. Map of the Surficial Deposits of the Lake Superior Region. U. S. Geological Survey, 1929.
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