Kotter, J. P. (1999). John P. Kotter On What Leaders Really Do. Harvard Business Review Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKotter, John P. John P. Kotter On What Leaders Really Do. Boston, Massachesutts: Harvard Business Review Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKotter, John P. John P. Kotter On What Leaders Really Do. Harvard Business Review Press, 1999.
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