APA aipamena

(1890). Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago.

Chicago Style aipamena

Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago, 1890.

MLA aipamena

Catholic Educational Exhibit, World's Columbian Exposition, Chicago, 1893. Chicago, 1890.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.