Kraus, R. G., & Curtis, J. E. (1982). Creative management in recration and parks (3rd ed.). C. V. Mosby.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKraus, Richard G., और Joseph E. Curtis. Creative Management in Recration and Parks. 3rd ed. St. Louis: C. V. Mosby, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKraus, Richard G., और Joseph E. Curtis. Creative Management in Recration and Parks. 3rd ed. C. V. Mosby, 1982.
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