1. Amabile, T. M. (1990). Within you, without you: The social psychology of creativity, and beyond. In Runco, M. A., and Albert, R. S. (eds.),Theories of Creativity, Sage, Newbury Park, CA, pp. 61–91.
2. Ball, O. E., and Torrance, E. P. (1980).Streamlined Scoring and Interpretation Guide and Norms Manual for the Figural Torrance Tests of Creative Thinking, Form A, Georgia Studies of Creative Thinking (mimeo), Athens, GA.
3. Basadur, M., Graen, G., and Wakabayashi, M. (1990). Creative Problem Solving Profile Inventory.J. Creat. Behav. 24: 111–131.
4. Biondi, A. M., and Parnes, S. J. (1976).Assessing Creative Growth: The Tests-Book One, Creative Synergetics, Great Neck, NY.
5. Bloom, B. S. (ed.) (1956).Taxonomy of Educational Objectives: The Classification of Educational Goals. Handbook One: Cognitive Domain, David McKay, New York.