1. Heilbroner, Robert: 1974, An Inquiry into the Human Prospect, Norton, New York.
2. Heilbroner, Robert: 1976, Business Civilization in Decline, Norton, New York.
3. Kohlberg, Lawrence: 1981, The Philosophy of Moral Development, Harper & Row, San Francisco.
4. Lodge, George: 1979, The New American Ideology, Knopf, New York, 1979.
5. Maccoby, Michael: 1976, The Gamesman, Simon and Schuster, New York.