Simpson, G., & Rich, E. E. (1938). Journal of occurrences in the Athabasca department by George Simpson, 1820 and 1821, and report. Published by the Champlain Society for the Hudson's Bay Record Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimpson, George, और E. E. Rich. Journal of Occurrences in the Athabasca Department by George Simpson, 1820 and 1821, and Report. London: Published by the Champlain Society for the Hudson's Bay Record Society, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimpson, George, और E. E. Rich. Journal of Occurrences in the Athabasca Department by George Simpson, 1820 and 1821, and Report. Published by the Champlain Society for the Hudson's Bay Record Society, 1938.
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