Ellis, E. S. (1877). Bill Biddon, trapper: Or, Life in the North-west. Beadle and Adams.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEllis, Edward Sylvester. Bill Biddon, Trapper: Or, Life in the North-west. New York: Beadle and Adams, 1877.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEllis, Edward Sylvester. Bill Biddon, Trapper: Or, Life in the North-west. Beadle and Adams, 1877.
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