South Dakota. World's Fair Commission. (1894). South Dakota at the World's Fair.
Chicago-referens (17:e uppl.)South Dakota. World's Fair Commission. South Dakota at the World's Fair. [Pierre?, 1894.
MLA-referens (8:e uppl.)South Dakota. World's Fair Commission. South Dakota at the World's Fair. 1894.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.