Gregory, C. E. (1967). The management of intelligence ; scientific problem solving and creativity. McGraw-Hill.
Citace podle Chicago (17th ed.)Gregory, Carl E. The Management of Intelligence ; Scientific Problem Solving and Creativity. New York: McGraw-Hill, 1967.
Citace podle MLA (9th ed.)Gregory, Carl E. The Management of Intelligence ; Scientific Problem Solving and Creativity. McGraw-Hill, 1967.
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