Bagozzi, R. P. (1993). On the neglect of volition in consumer research: A critique and proposal. Psychology & Marketing, 10, 213-237.
2.
Prochaska, J. O., & DiClemente, C. C. (1984). The transtheoretical approach: Crossing traditional boundaries of change. Homewood, IL: Dorsey.
3.
Prochaska, J. O., DiClemente, C. C., & Norcross, J. C. (1992). In search of how people change: Applications to addictive behaviors. American Psychologist, 47, 1102-1114.
