United States. Census Office. (1960). Original schedules returned by census enumerators for Montana territory, 1870, 1880: Covering statistics as follows: mortality, agricultural products, industrial products, social statistics. Historical Society of Montana Library.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Census Office. Original Schedules Returned by Census Enumerators for Montana Territory, 1870, 1880: Covering Statistics as Follows: Mortality, Agricultural Products, Industrial Products, Social Statistics. Helena, Mont.: Historical Society of Montana Library, 1960.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Census Office. Original Schedules Returned by Census Enumerators for Montana Territory, 1870, 1880: Covering Statistics as Follows: Mortality, Agricultural Products, Industrial Products, Social Statistics. Historical Society of Montana Library, 1960.