Stevens Mark. (2004). Exteme Management: What They Teach at Harvad Business Schools Advanced management Program. Profile Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStevens Mark. Exteme Management: What They Teach at Harvad Business Schools Advanced Management Program. London: Profile Books, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStevens Mark. Exteme Management: What They Teach at Harvad Business Schools Advanced Management Program. Profile Books, 2004.
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