1. Abramson, L. Y., Seligman, M. E. P., & Teasdale, J. (1978). Learned helplessness in humans: Critique and reformulation. Journal of Abnormal Psychology, 87, 49–74.
2. Baltes, P. B., & Reese, H.W. (1984). The life-span perspective in developmental psychology. In M. H. Bornstein & M. E. Lamb (Eds.), Developmental psychology: An advanced textbook. Hillsdale, NJ: Erlbaum.
3. Baltes, P. В., Reese, H.W., & Lipsitt, L.P. (1980). Life-span developmental psychology. Annual Review of Psychology, 31, 65–110.
4. Bandura, A. (1982 a). The psychology of chance encounters and life paths. American Psychologist, 37, 747–755.
5. Bandura, A. ( 1982 b). The self and mechanisms of agency. In J.Suls (Ed.), Psychological perspectives on the self Hillsdale, NJ: Erlbaum.