1. Aberg, L. (1996). The role of perceived risk of detection in the theory of planned behavior. In International conference on traffic and transport psychology, 22–25 May, Valencia, Spain.
2. Aberg, L., & Forward, S. (1996). Measuring attitudes and behavior using the theory of planned behavior. In International conference on traffic and transport psychology, 22–25 May, Valencia, Spain.
3. Attitudes, personality and behavior;Ajzen,1988
4. The theory of planned behavior;Ajzen;Organizational, Behavior and Human Decision Processes,1991