Dyfyniad APA

Century of Progress International Exposition Chicago. Tentative schedule of events.

Dyfyniad Arddull Chicago

Century of Progress International Exposition Chicago. Tentative Schedule of Events. Chicago.

Dyfyniad MLA

Century of Progress International Exposition Chicago. Tentative Schedule of Events.

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