Century of Progress International Exposition Chicago, Ill. (1934). Official guide book of the fair, 1933: With 1934 supplement. A Century of Progress.
Citace podle Chicago (17th ed.)Century of Progress International Exposition Chicago, Ill. Official Guide Book of the Fair, 1933: With 1934 Supplement. Chicago: A Century of Progress, 1934.
Citace podle MLA (8th ed.)Century of Progress International Exposition Chicago, Ill. Official Guide Book of the Fair, 1933: With 1934 Supplement. A Century of Progress, 1934.
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