Tubbs, S. A., & Jenkinson, C. (2003). The Lewis and Clark companion: An encyclopedic guide to the voyage of discovery (1st Owl Books ed.). Henry Holt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTubbs, Stephenie Ambrose, और Clay Jenkinson. The Lewis and Clark Companion: An Encyclopedic Guide to the Voyage of Discovery. 1st Owl Books ed. New York: Henry Holt, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTubbs, Stephenie Ambrose, और Clay Jenkinson. The Lewis and Clark Companion: An Encyclopedic Guide to the Voyage of Discovery. 1st Owl Books ed. Henry Holt, 2003.
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