Caughey, J. W. (1955). America since 1763: A survey of its history. Inst. Panamericano de Geografía e Historia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCaughey, John W. America Since 1763: A Survey of Its History. México: Inst. Panamericano de Geografía e Historia, 1955.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCaughey, John W. America Since 1763: A Survey of Its History. Inst. Panamericano de Geografía e Historia, 1955.
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