Dyfyniad APA

Century of Progress International Exposition. (1934). 1934, Century of Progress. Western Newspaper Union.

Dyfyniad Arddull Chicago

Century of Progress International Exposition. 1934, Century of Progress. [Chicago, Ill.]: Western Newspaper Union, 1934.

Dyfyniad MLA

Century of Progress International Exposition. 1934, Century of Progress. Western Newspaper Union, 1934.

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