References
- Egan , G. 1994 . Working the shadow side: A guide to positive behind-the-scenes management , San Francisco, CA : Jossey-Bass .
- Heifetz , R. 1994 . Leadership without easy answers , Cambridge, MA : Harvard University Press .
- Heifetz , R. and Linskey , M. 2002 . Leadership on the line , Boston, MA : Harvard Business School Press .
- Schein , E. 1998 . Process consultation revisited – Building the helping relationship , Addison-Wesley Series on Organization Development London : Pearson Education .