Century of Progress International Exposition Chicago, Ill., & Albert, A. D. (1933). Official view book, a Century of progress exposition. The R. H. Donnelley Corporation.
Lua i Stíl Chicago (17ú heag.)Century of Progress International Exposition Chicago, Ill., agus Allen Diehl Albert. Official View Book, a Century of Progress Exposition. Chicago: The R. H. Donnelley Corporation, 1933.
Lua MLA (8ú heag.)Century of Progress International Exposition Chicago, Ill., agus Allen Diehl Albert. Official View Book, a Century of Progress Exposition. The R. H. Donnelley Corporation, 1933.
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