May, E. R. (1981). "lessons" of the past: The use and misuse of history in american foreign policy. Oxford University Press.
Dyfyniad Arddull ChicagoMay, Ernest R. "Lessons" of the Past: The Use and Misuse of History in American Foreign Policy. New York: Oxford University Press, 1981.
Dyfyniad MLAMay, Ernest R. "Lessons" of the Past: The Use and Misuse of History in American Foreign Policy. Oxford University Press, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.