1. Akers, Ronald L. 1985. Deviant Behavior: A Social Learning Approach. Belmont, California: Wadsworth.
2. Akers, Ronald L., Marvin D. Krohn, Lonn Lanza-Kaduce, and Marcia Radosevich. 1979. Social Learning and Deviant Behavior. American Sociological Review 44: 636–655.
3. Allport, Gordon. 1954. The Nature of Prejudice. Boston: Beacon.
4. Axelrod, Robert. 1984. The Evolution of Cooperation. New York: Basic Books.
5. Bainbridge, William Sims. 1976. The Spaceflight Revolution. New York: Wiley.