Powers, T. F. (1995). Introduction to management in the hospitality industry (5th ed.). Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPowers, Thomas F. Introduction to Management in the Hospitality Industry. 5th ed. New York: Wiley, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPowers, Thomas F. Introduction to Management in the Hospitality Industry. 5th ed. Wiley, 1995.
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