Clark, W., Lewis, M., Roop, P., Roop, C., & Tanner, T. (1993). Off the map: The journals of Lewis and Clark. Walker and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClark, William, Meriwether Lewis, Peter Roop, Connie Roop, और Tim Tanner. Off the Map: The Journals of Lewis and Clark. New York: Walker and Company, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रClark, William, et al. Off the Map: The Journals of Lewis and Clark. Walker and Company, 1993.
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