Shea, T. (2018). The Louisiana Purchase and the Lewis and Clark Expedition. Britannica Education Publishing in association with Rosen Educational Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShea, Therese. The Louisiana Purchase and the Lewis and Clark Expedition. New York: Britannica Education Publishing in association with Rosen Educational Services, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShea, Therese. The Louisiana Purchase and the Lewis and Clark Expedition. Britannica Education Publishing in association with Rosen Educational Services, 2018.
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