Hamel, G. Leading the Revolution. Boston, MA: Harvard Business School Press. 2000. Pp. 123-124.
Keely, L. Strategic Choices. Dublin Group presentation materials, unpublished. 1999.
Mahler, W., & Drotter, S. The Succession Planning Handbook for the Chief Executive, Midland Park, NJ: Mahler Publishing Co. 1986.
McKinsey and Co. The War for Talent Survey, New York, NY: McKinsey and Co. publication. 1997.