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Dyfyniad Arddull ChicagoSulzberger, Cyrus Leo. What's Wrong with U.S. Foreign Policy. New York: Harcourt, Brace, 1959.
Dyfyniad MLASulzberger, Cyrus Leo. What's Wrong with U.S. Foreign Policy. Harcourt, Brace, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.