Lavender, D. (1963). Westward vision: The story of the Oregon Trail ([1st ed.].). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLavender, David. Westward Vision: The Story of the Oregon Trail. [1st ed.]. New York: McGraw-Hill, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLavender, David. Westward Vision: The Story of the Oregon Trail. [1st ed.]. McGraw-Hill, 1963.
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