1. Bandura, A. (1969). Principles of behavior modification. New York: Holt, Rinehart, & Winston.
2. Bandura, A. (1987). Self-regulation of motivation and action through goal systems. In: V. Hamilton & N. H. Fryda (Eds.), Cognition, motivation, and affect: A cognitive science review. Dordrecht: Martinus Nijhoff.
3. Bird, M., & Robinson, J. (1972). The effectiveness of the union label and “buy union” campaigns. Industrial and Labor Relations Review, 25, 512–523.
4. Clary, M. (1991). Save Twin Peaks! Adweek's Marketing Week, April 29, p. 17.
5. Elliot, S. (1992). When products are tied to causes. New York Times, April 18, p. 17.