Ozanne, R. W. (1984). The labor movement in Wisconsin: A history. State Historical Society of Wisconsin.
Lua i Stíl Chicago (17ú heag.)Ozanne, Robert W. The Labor Movement in Wisconsin: A History. Madison, Wisconsin: State Historical Society of Wisconsin, 1984.
Lua MLA (9ú heag.)Ozanne, Robert W. The Labor Movement in Wisconsin: A History. State Historical Society of Wisconsin, 1984.
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