Fogler, H. S., LeBlanc, S. E., & LeBlank, S. E. (1995). Strategies for creative problem solving. Upper Saddle River, NJ.: Prentice Hall PTR.
Παραπομπή Chicago StyleFogler, H. Scott, Steven E. LeBlanc, and Steven E. LeBlank. Strategies for Creative Problem Solving. Upper Saddle River, NJ.: Prentice Hall PTR, 1995.
Παραπομπή MLAFogler, H. Scott, Steven E. LeBlanc, and Steven E. LeBlank. Strategies for Creative Problem Solving. Upper Saddle River, NJ.: Prentice Hall PTR, 1995.
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