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