8Webster's New Universal Unabridged Dictionary (New York: Dorset & Baber. 1979 ).p. 841.
9Robert Keohane, International Institutions and State Power : Essays in International Relations Theory (Boulder: Westview Press, 1989). p. 234.
10Joseph S. Nye, Jr., The Paradox of American Power:Why the World's Only Superpower Can't Go It Alone (New York: Oxford University Press, 2002. pp. 1,5 16.