United States. World's Columbian Commission. (1891). Classification of the World's Columbian exposition, Chicago, U.S.A., 1893. Donohue and Henneberry.
Citace podle Chicago (17th ed.)United States. World's Columbian Commission. Classification of the World's Columbian Exposition, Chicago, U.S.A., 1893. Chicago: Donohue and Henneberry, 1891.
Citace podle MLA (8th ed.)United States. World's Columbian Commission. Classification of the World's Columbian Exposition, Chicago, U.S.A., 1893. Donohue and Henneberry, 1891.
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