Epstein, R. (1996). Creativity games for trainers: A handbook of Group Activities for jumpstarting workplace creativity. McGraw-Hill.
Citace podle Chicago (17th ed.)Epstein, Robert. Creativity Games for Trainers: A Handbook of Group Activities for Jumpstarting Workplace Creativity. Nueva York: McGraw-Hill, 1996.
Citace podle MLA (9th ed.)Epstein, Robert. Creativity Games for Trainers: A Handbook of Group Activities for Jumpstarting Workplace Creativity. McGraw-Hill, 1996.
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