Alloy, L. B., Kelly, K., Mineka, S.,& Clements, C.(1990). Comorbidity of anxiety and depressive disorders: A helplessness-hopelessness perspective. In J. D. Maser & C. R. Cloninger (Eds.), Comorbidity of mood and anxiety disorders. Washington, D. C.: American Psychiatry Press. pp. 499-543.
Beck, A. T.(1976). Cognitive therapy and the emotional disorders. New York: International University Press.(ベック, A. T. 大野裕 (訳)(1990). 認知療法--精神療法の新しい発展--岩崎学術出版社)
Beck, A. T., Brown, G., Steer, R. A., Eidelson, J. I.,& Riskind, J. H.(1987). Differentiating anxiety and depression: A test of the cognitive content-specificity hypothesis. Journal of Abnormal Psychology, 96, 179-183.
Clark, D. A., Beck, A. T.,& Brown G.(1989). Cognitive mediation in general psychiatric outpatients: A test of the content-specificity hypothesis. Journal of Personality and Social Psychology, 56, 958-964.
van Eerde, W.(2003). A meta-analytically derived nomological network of procrastination. Personality and Individual Differences, 35, 1410-1418.