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8William C. Wohlforth, " The Stability in A Unipolar World", International Security, Vol. 24, No. 1, 1999, pp. 5-41.
9John Ikenberry, ed. , America Unrivaled: The Future of the Bal ance of Power, Cornell University Press, 2002.
10Stephen G. Brooks and William C. Wohlforth, World Out of Balance : International Relations and the Challenge of American Primacy, Princeton University Press, 2008.