Charan, R., & Willigan, G. (2007). Know-How: The 8 Skills that Separate People Who Perform from Those Who Don't. Random House Business Books.
Citazione stile Chigago Style (17a edizione)Charan, Ram, e Geri Willigan. Know-How: The 8 Skills That Separate People Who Perform from Those Who Don't. London: Random House Business Books, 2007.
Citatione MLA (9a ed.)Charan, Ram, e Geri Willigan. Know-How: The 8 Skills That Separate People Who Perform from Those Who Don't. Random House Business Books, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.