Tubbs, S. A. (2008). Why Sacagawea deserves the day off & other lessons from the Lewis & Clark Trail. University of Nebraska Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTubbs, Stephenie Ambrose. Why Sacagawea Deserves the Day off & Other Lessons from the Lewis & Clark Trail. Lincoln: University of Nebraska Press, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTubbs, Stephenie Ambrose. Why Sacagawea Deserves the Day off & Other Lessons from the Lewis & Clark Trail. University of Nebraska Press, 2008.
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