Zook, C. (2007). Unstoppable: Finding hidden assets to renew the core and fuel profitable growth. Harvard Business School Press.
Chicago-Zitierstil (17. Ausg.)Zook, Chris. Unstoppable: Finding Hidden Assets to Renew the Core and Fuel Profitable Growth. Boston, Mass: Harvard Business School Press, 2007.
MLA-Zitierstil (9. Ausg.)Zook, Chris. Unstoppable: Finding Hidden Assets to Renew the Core and Fuel Profitable Growth. Harvard Business School Press, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.