1. Ansoff, H. I., & McDonnell, E. (1990). Implanting strategic management. Prentice-Hall. New York, NY
2. Bass, B. M. (1990). From transactional to transformational leadership: Learning to share the vision. Organizational Dynamics, 18(4), 19–31.
3. Beckhard, R., & Harris, R. T. (1987). Organizational transitions: Managing complex change (2nd ed.). Addison-Wesley.
4. Bennis, W., Benne, K., & Chin, R. (1969). The planning of change (2nd Ed.). Holt, Rinehart and Winston.
5. Collins COBUILD Dictionary. (1987). University of Birmingham (UK) and Collins Publishers, 660.