Power, J. E. Your expanding international markets. Hotel Sales Management Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPower, James E. Your Expanding International Markets. New York: Hotel Sales Management Association.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPower, James E. Your Expanding International Markets. Hotel Sales Management Association.
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