Heath, E. (1970). Old world, new horizons Britain, Europe, and the Atlantic Alliance. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeath, Edward. Old World, New Horizons Britain, Europe, and the Atlantic Alliance. Cambridge, Mass: Harvard University Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHeath, Edward. Old World, New Horizons Britain, Europe, and the Atlantic Alliance. Harvard University Press, 1970.
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