Dyfyniad APA

World's Columbian Exposition. (1893). Educational exhibit of the World's Columbian Exposition. [s.n.].

Dyfyniad Arddull Chicago

World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. Chicago: [s.n.], 1893.

Dyfyniad MLA

World's Columbian Exposition. Educational Exhibit of the World's Columbian Exposition. [s.n.], 1893.

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