1. Abramson, L. Y., Seligman, M. E., & Teasdale, J. D. (1978). Learned helplessness in humans: Critique and reformulation. Journal of Abnormal and Social Psychology, 87, 49–74.
2. Abramson, L. Y., Metalsky, G. I., & Alloy, L. B. (1989). Hopelessness depression: A theory-based subtype of depression. Psychological Review, 96, 358–372.
3. Alicke, M. D., & Sedikides, C. (2009). Self-enhancement and self-protection: What they are and what they do. In W. Stroebe & M. Hewstone (Hrsg.), European review of social psychology (Bd. 20, S. 1–48). Psychology Press.
4. Anderson, N. H. (1981). Foundations of information integration theory. Academic.
5. Arnold, M. B. (1960). Emotion and personality (Volume 1): Psychological aspects. Columbia University Press.