Caughey, J. W. (1955). America since 1763: A survey of its history. Inst. Panamericano de Geografía e Historia.
Citace podle Chicago (17th ed.)Caughey, John W. America Since 1763: A Survey of Its History. México: Inst. Panamericano de Geografía e Historia, 1955.
Citace podle MLA (9th ed.)Caughey, John W. America Since 1763: A Survey of Its History. Inst. Panamericano de Geografía e Historia, 1955.
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