Dyfyniad APA

World's Columbian Exposition. (1893). The World's Columbian Exposition: Photo-gravures. A. Wittemann.

Dyfyniad Arddull Chicago

World's Columbian Exposition. The World's Columbian Exposition: Photo-gravures. New York: A. Wittemann, 1893.

Dyfyniad MLA

World's Columbian Exposition. The World's Columbian Exposition: Photo-gravures. A. Wittemann, 1893.

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