Plato, Republic, trans. CornfordFrancis M. (London: Oxford University Press, 1941), Part III; WillDurantAriel, The Lessons of History (New York: Simon & Schuster, 1968), chapter 10.
2.
HallCalvin S.LindzeyGardner, Theories of Personality, 2d ed. (New York: John Wiley & Sons, 1970), p. 4.
3.
GhiselliEdwin E., Theory of Psychological Measurement (New York: McGraw-Hill, 1964), pp. 63–64.
4.
See KleinWalter H.MurphyDavid C., Policy: Concepts in Organizational Guidance (Boston: Little, Brown, 1973); LearnedEdmund P., Business Policy: Text and Cages, rev. ed. (Homewood, Ill.: Irwin, 1969); and McNicholsThomas J., Policy Making and Executive Action: Cases on Business Policy, 4th ed. (New York: McGraw-Hill, 1972).