1. Ajzen, Icek. 1985. From Intentions to Actions: A theory of planned behavior. In Action-control: From Cognition to Behavior, edited by J. Kuhl and J. Beckman. Heidelberg: Springer.
2. Ajzen, Icek. 1988. Attitudes, Personality, and Behavior. Milton Keynes: Open University Press.
3. Ajzen, Icek. 1991. The Theory of Planned Behavior. Organizational Behavior and Human Decision Processes 50: 179–211.
4. Ajzen, Icek. 1996. The Social Psychology of Decision Making. In Social Psychology. Handbook of Basic Principles, edited by E. T. Higgins and A. W. Kruglanski. New York and London: Guilford Press.
5. Ajzen, Icek. 2005 (2nd ed.). Attitudes, Personality, and Behavior. Milton Keynes: Open University Press.