Tohutoro APA (7th ed.)
NIEUWENHOVE, A. L. d. (1939). De Bolivar a Roosevelt. Fernand Sorlot.
Tohutoru Kātū Chicago (17th ed.)
NIEUWENHOVE, A. Limnander de. De Bolivar a Roosevelt. Paris: Fernand Sorlot, 1939.
Tohutoro MLA (9th ed.)
NIEUWENHOVE, A. Limnander de. De Bolivar a Roosevelt. Fernand Sorlot, 1939.
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