Century of Progress International Exposition Chicago, Ill., & Century of Progress, inc., Chicago. (1934). A Century of progress exposition, Chicago, official pictures in color. A Century of Progress.
Citace podle Chicago (17th ed.)Century of Progress International Exposition Chicago, Ill., a inc. Century of Progress. A Century of Progress Exposition, Chicago, Official Pictures in Color. Chicago: A Century of Progress, 1934.
Citace podle MLA (8th ed.)Century of Progress International Exposition Chicago, Ill., a inc. Century of Progress. A Century of Progress Exposition, Chicago, Official Pictures in Color. A Century of Progress, 1934.
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