(2011). Higher ambition: How great leaders creat economic and social value. Boston: Harvard Business.
Chicago Style citaatHigher Ambition: How Great Leaders Creat Economic and Social Value. Boston: Harvard Business, 2011.
MLA citatieHigher Ambition: How Great Leaders Creat Economic and Social Value. Boston: Harvard Business, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.