Thompson, S. (2015). People before the park: The Kootenai and Blackfeet before Glacier National Park. Montana Historical Society Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThompson, Sally. People Before the Park: The Kootenai and Blackfeet Before Glacier National Park. Helena, Montana: Montana Historical Society Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThompson, Sally. People Before the Park: The Kootenai and Blackfeet Before Glacier National Park. Montana Historical Society Press, 2015.
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