Hilsman, R. (1975). The crouching future: International politics and U.S. foreign policy - a forecast. Garden City, N.Y: Doubleday.
শিকাগো স্টাইলে সাইটেশনHilsman, Roger. The Crouching Future: International Politics and U.S. Foreign Policy - a Forecast. Garden City, N.Y: Doubleday, 1975.
এমএলএ সাইটেশনHilsman, Roger. The Crouching Future: International Politics and U.S. Foreign Policy - a Forecast. Garden City, N.Y: Doubleday, 1975.
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