Leigh, A. (1999). The ultimate business presentation book. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeigh, Andrew. The Ultimate Business Presentation Book. London: Random House, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeigh, Andrew. The Ultimate Business Presentation Book. Random House, 1999.
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