Lyles, R. I. (1982). Practical management problem solving and decision making. Van Nostrand Reinhold.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLyles, Richard I. Practical Management Problem Solving and Decision Making. New York: Van Nostrand Reinhold, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLyles, Richard I. Practical Management Problem Solving and Decision Making. Van Nostrand Reinhold, 1982.
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