Parnes, S. J., & Harding, H. F. (1962). A source book for creative thinking. Scribner.
Dyfyniad Arddull ChicagoParnes, Sidney Jay, and Harold Friend Harding. A Source Book for Creative Thinking. New York: Scribner, 1962.
Dyfyniad MLAParnes, Sidney Jay, and Harold Friend Harding. A Source Book for Creative Thinking. Scribner, 1962.
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