Fletcher, R. H. (1945). American adventure: The story of the Lewis and Clark expedition. American Pioneer Trails Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFletcher, Robert H. American Adventure: The Story of the Lewis and Clark Expedition. New York: American Pioneer Trails Association, 1945.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFletcher, Robert H. American Adventure: The Story of the Lewis and Clark Expedition. American Pioneer Trails Association, 1945.
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