Charan, R., & Willigan, G. (2007). Know-How: The 8 Skills that Separate People Who Perform from Those Who Don't. Random House Business Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCharan, Ram, और Geri Willigan. Know-How: The 8 Skills That Separate People Who Perform from Those Who Don't. London: Random House Business Books, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCharan, Ram, और Geri Willigan. Know-How: The 8 Skills That Separate People Who Perform from Those Who Don't. Random House Business Books, 2007.
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