1. Atkins, B.S. (2001), “The most important role of the board”, Directors and Boards, Vol. 25, p. 4.
2. Avolio, B.J. and Bass, B.M. (1985), Transformational leadership, charisma and beyond, working paper, School of Management, State University of New York, Binghampton, NY
3. Baggett, B. (1997), Power Serve: 236 Inspiring Ideas on Servant Leadership, Saltillo Press, Germantown, TN.
4. Bass, B.M. (1985), Leadership and Performance Beyond Expectations, Free Press, New York, NY.
5. Bass, B.M. (1990), “From transactional to transformational leadership: learning to share the vision”, Organizational Dynamics, Winter, pp. 19–31.