Aristotle.The Works of Aristotle. Translated by W. D. Ross. London: Oxford University, 1966.
2.
Barrett, W.Irrational Man: A Study in Existential Philosophy. Garden City: Doubleday Anchor, 1962 .
3.
Houle, C.O.The Design of Education. San Francisco: Jossey-Bass, 1972.
4.
Knowles, M.The Modern Practice of Adult Education. New York : Association Press, 1970.
5.
Kuhn, T.S.The Structure of Scientific Revolutions. Chicago : University of Chicago, 2d ed., 1975.
6.
London, J. "Adult Education for the 1970's: Promise or Illusion?" Adult Education24 (1973): 60-70.
7.
Lauer, Q.Phenomenology: Its Genesis and Prospect. New York : Harper Torchbook, 1965.
8.
Powell, J., and Benne, K. "Philosophies of Adult Education." In Handbook of Adult Education in the United States, pp. 41-53. Edited by Malcolm Knowles.Washington, D. C.: Adult Education Association of the U.S.A., 1960.