1. BANDURA, A. (1965). Vicarious processes: A case of no-trial learning. In L. Berkowitz (Ed.), Advances in experimental social psychology. (Vol. 2, pp. 1–50). New York: Academic Press.
2. BANDURA, A. (1969). Principles of behavior modification. New York: Holt, Rinehart and Winston.
3. BONNER, J. T. (1980). The evolution of culture in animals. Princeton, NJ: Princeton University Press.
4. CHORUS, A. M. (1976). Learning from the example of animals. Psychological Abstracts, 56, 864 (Abstract no. 7209).
5. CROOK, J. H., & GOSS-CUSTARD, J. D. (1972). Social ethology. Annual Review of Psychology 23, 277–312.