Bauer, R.A. (1967) Social Indicators. Cambridge, Mass.: MIT Press.
2.
Bentham, J. (1789) Introduction to Principles of Morals and Legislation .
3.
Churchman, C.W. (1961) Prediction and Optimal Decision: Philosophical Issues of a Science of Values. Englewood Cliffs, N.J.: Prentice-Hall.
4.
Hume, D. (1739) A Treatise on Human Nature.
5.
Jung, C.G. (1959) Psychological Types. New York : Pantheon.
6.
Kant, I. (1781) Critique of Pure Reason.
7.
Stevens, S.S. (1959) "Measurement/psycho-physics and utility," in C. W. Churchman and P. Ratoosh (ed.) Measurement: Definitions and Theories. New York: John Wiley.
