The development of Central Africa: A tour to the great copper belt of Katanga, the mines, railways and work of the Tanganyika Concessions, Limited. The Times Office.
Citace podle Chicago (17th ed.)The Development of Central Africa: A Tour to the Great Copper Belt of Katanga, the Mines, Railways and Work of the Tanganyika Concessions, Limited. London: The Times Office.
Citace podle MLA (8th ed.)The Development of Central Africa: A Tour to the Great Copper Belt of Katanga, the Mines, Railways and Work of the Tanganyika Concessions, Limited. The Times Office.
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