(2006). Decision making 5 steps to better results. Havard Business School Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDecision Making 5 Steps to Better Results. Havard Business School Press, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDecision Making 5 Steps to Better Results. Havard Business School Press, 2006.
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