Ewers, J. C. (1957). Early white influence upon Plains Indian painting: George Catlin and Carl Bodmer among the Mandan, 1832-34. Smithsonian Institution.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEwers, John C. Early White Influence upon Plains Indian Painting: George Catlin and Carl Bodmer Among the Mandan, 1832-34. Washington: Smithsonian Institution, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEwers, John C. Early White Influence upon Plains Indian Painting: George Catlin and Carl Bodmer Among the Mandan, 1832-34. Smithsonian Institution, 1957.
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