1Jr. Chas. W. Freeman, ArU of Prover-Statecraft and Diplomacy, Washington, D. C. : United States Institute of Peace Press, 1997, p. 41.
2Hans J. Morgenthau, Politics among Nations: The Struggle for Power and Peace (6^th edition), New York: Alfred A. Knopf, Inc. , 1985, p. 87.p.352-3.p.95.p.353.p.97-100.353-4.
3Alexander Wendt, " Construction of International Politics, in International Security, Vol. 20, No. 1, 1995,p. 73.
4Hans J. Morgenthau, Politics among Nations: The Struggle for Power and Peace ( 6^th edition), New York : Alfred A. Knopf, Inc. , 1985, p. 87.
5U. S. Department of State, Dictionary of International Relations Terms, 1987, p. 85.
