Caughey, J. W. (1955). America since 1763: A survey of its history. Inst. Panamericano de Geografía e Historia.
Lua i Stíl Chicago (17ú heag.)Caughey, John W. America Since 1763: A Survey of Its History. México: Inst. Panamericano de Geografía e Historia, 1955.
Lua MLA (9ú heag.)Caughey, John W. America Since 1763: A Survey of Its History. Inst. Panamericano de Geografía e Historia, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.