Phillips, D. T. (1992). Lincoln on leadership: Executive strategies for tough times. Warner Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhillips, Donald T. Lincoln on Leadership: Executive Strategies for Tough Times. New York: Warner Books, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPhillips, Donald T. Lincoln on Leadership: Executive Strategies for Tough Times. Warner Books, 1992.
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