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Dyfyniad Arddull ChicagoDavis, George Theron. A Navy Second to None: The Development of Modern American Naval Policy. Westport, Conn.: Greenwood Press, 1971.
Dyfyniad MLADavis, George Theron. A Navy Second to None: The Development of Modern American Naval Policy. Greenwood Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.