1. Ajzen, Icek (1985), From Intentions to Actions: A Theory of Planned Behavior, in: Kuhl, Julius, Beckmann, Jürgen (Hrsg.), Action Control, S. 11–39.
2. Ajzen, Icek (1988), Attitudes, Personality and Behavior.
3. Ajzen, Icek (1991), The Theory of Planned Behavior, in: Organizational Behavior and Human Decision Processes, Vol. 50, S. 179–211.
4. Ajzen, Icek/Fishbein, Martin (1980), Understanding Attitudes and Predicting Social Behavior.
5. Ajzen, Icek/Krebs, Dagmar (1994), Attitude theory and measurement: Implications for Survey Research, in: Borg, Ingwer, Mohler/Peter P. (Hrsg.), Trends and Perspectives in empirical Social Research, S. 250–265.