1. Ajzen, I., 2005a. Behavioral Intervention Based on the Theory of Planned Behavior. http://www.people.umass.edu/aizen/faq.html/accessed/22/07/05.
2. Ajzen, I., 2005b. Frequently asked questions about TpB. http://www.people.umass.edu/aizen/faq.html/accessed/05/06/05.
3. Differential effects of mood on information processing: Evidence from the theories of reasoned action and planned behavior;Armitage;European Journal of Social Psychology,1999
4. Parent–Adolescent Communication Scale;Barnes,2003
5. The Health Belief Model and Personal Health Behavior;Becker,1974