North American Fur Trade Conference Mackinac Island, Mich, ebrary, Inc, Brown, J. S. H., Eccles, W. J., & Heldman, D. P. (1994). The fur trade revisited: Selected papers of the Sixth North American Fur Trade Conference, Mackinac Island, Michigan, 1991. Michigan State University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)North American Fur Trade Conference Mackinac Island, Mich, Inc ebrary, Jennifer S. H. Brown, W. J. Eccles, و Donald P. Heldman. The Fur Trade Revisited: Selected Papers of the Sixth North American Fur Trade Conference, Mackinac Island, Michigan, 1991. East Lansing: Michigan State University Press, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)North American Fur Trade Conference Mackinac Island, Mich, et al. The Fur Trade Revisited: Selected Papers of the Sixth North American Fur Trade Conference, Mackinac Island, Michigan, 1991. Michigan State University Press, 1994.