Kaufman, H. (1985). Time, chance and organizations: Natural selection in a perilous environment. Chatham House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKaufman, Herbert. Time, Chance and Organizations: Natural Selection in a Perilous Environment. Chatham, New Jersey: Chatham House, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKaufman, Herbert. Time, Chance and Organizations: Natural Selection in a Perilous Environment. Chatham House, 1985.
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