Chittenden, H. M. (1976). The American fur trade of the Far West: A history of pioneer trading posts & early fur companies of the Missouri Valley & Rocky Mountains & of the overland commerce with Santa Fe. A. M. Kelley.
Chicago-referens (17:e uppl.)Chittenden, Hiram Martin. The American Fur Trade of the Far West: A History of Pioneer Trading Posts & Early Fur Companies of the Missouri Valley & Rocky Mountains & of the Overland Commerce with Santa Fe. Fairfield[N.J.]: A. M. Kelley, 1976.
MLA-referens (8:e uppl.)Chittenden, Hiram Martin. The American Fur Trade of the Far West: A History of Pioneer Trading Posts & Early Fur Companies of the Missouri Valley & Rocky Mountains & of the Overland Commerce with Santa Fe. A. M. Kelley, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.