World's Columbian Exposition. (1893). Orange Free State Republic, South Africa. Rand, McNally & Co..
Lua i Stíl Chicago (17ú heag.)World's Columbian Exposition. Orange Free State Republic, South Africa. Chicago: Rand, McNally & Co., 1893.
Lua MLA (8ú heag.)World's Columbian Exposition. Orange Free State Republic, South Africa. Rand, McNally & Co., 1893.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.