McLean, D. D., Kraus, R. G., Hurd, A. R., & Rogers, N. B. (2008). Kraus' recreation and leisure in modern society (8th ed.). Jones and Bartlett Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcLean, Daniel D., Richard G. Kraus, Amy R. Hurd, और Nancy Brattain Rogers. Kraus' Recreation and Leisure in Modern Society. 8th ed. Sudbury, Mass: Jones and Bartlett Publishers, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMcLean, Daniel D., et al. Kraus' Recreation and Leisure in Modern Society. 8th ed. Jones and Bartlett Publishers, 2008.
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