1. Saul Bernard Cohen, Geography & Politics in a World Divided ( New York: Random House, 1963 ), p. 24.
2. Major-General J.F.C. Fuller, The Conduct of War 1789–1961 ( London: Eyre & Spottiswoode, 1962, p. 93.
3. Hans J. Morgenthau, Politics Among Nations: The Struggle for Power & Peace (New York: Alfred A. Knopf, Fourth Edition, 1967 ), p. 114.
4. Ibid., p. 115.
5. Ibid., pp. 115–116.