Gilman Carolyn, Birk Douglas A. Essaiest, White, B. M., & Woolworth Alan R. Essaiest. (1982). Where two worlds meet: The great lakes fur trade. Minnesota Historical Society.
Lua i Stíl Chicago (17ú heag.)Gilman Carolyn, Birk Douglas A. Essaiest, Bruce M. White, agus Woolworth Alan R. Essaiest. Where Two Worlds Meet: The Great Lakes Fur Trade. St. Paul: Minnesota Historical Society, 1982.
Lua MLA (9ú heag.)Gilman Carolyn, et al. Where Two Worlds Meet: The Great Lakes Fur Trade. Minnesota Historical Society, 1982.
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