World's Columbian Exposition. (1893). Orange Free State Republic, South Africa. Rand, McNally & Co..
Chicagoスタイル(17版)引用形式World's Columbian Exposition. Orange Free State Republic, South Africa. Chicago: Rand, McNally & Co., 1893.
MLA(8版)引用形式World's Columbian Exposition. Orange Free State Republic, South Africa. Rand, McNally & Co., 1893.
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