1. Abramson, L Y., Garber, J. & Seligman, M. E P. (1980). Learned helplessness in humans: An attributional analysis. In J. Garber & !vl E P.Seligman (Eds.), Human helplessness Theory and appbcanons @p. 3-57) New York Academic
2. Albrecht, T. A , & Adelman, M. B. (1987). Communicating social support A theoretical perspective In T L Albrecht & M. L. Adelman OJds.). Communicating socral support (pp 18-39) Newbury Park, CA Sage
3. Training for certainty
4. Atkinson, P (1995). Med~cal talk and meclical work London: Sage