Epstein, R. (1996). Creativity games for trainers: A handbook of group activities for jumpstarting workplce activity. Training McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEpstein, Robert. Creativity Games for Trainers: A Handbook of Group Activities for Jumpstarting Workplce Activity. New York: Training McGraw-Hill, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEpstein, Robert. Creativity Games for Trainers: A Handbook of Group Activities for Jumpstarting Workplce Activity. Training McGraw-Hill, 1996.
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