Keen, P. G. W. (1991). Shaping the future: Business design through information technology (2. print.). Harvard Business School Press.
Chicago-Zitierstil (17. Ausg.)Keen, Peter G. W. Shaping the Future: Business Design Through Information Technology. 2. print. Boston, Mass: Harvard Business School Press, 1991.
MLA-Zitierstil (9. Ausg.)Keen, Peter G. W. Shaping the Future: Business Design Through Information Technology. 2. print. Harvard Business School Press, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.