Dyfyniad APA

Century of Progress International Exposition Chicago, Ill. (1934). [Publications]. Student Tour Section, A Century of Progress Exposition.

Dyfyniad Arddull Chicago

Century of Progress International Exposition Chicago, Ill. [Publications]. Chicago, Ill.: Student Tour Section, A Century of Progress Exposition, 1934.

Dyfyniad MLA

Century of Progress International Exposition Chicago, Ill. [Publications]. Student Tour Section, A Century of Progress Exposition, 1934.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.