1. T. B. Baker (2013) The End of the Performance Review: A New Approach to Appraising Employee Performance (London: Palgrave Macmillan).
2. J. Greene and A. M. Grant (2003) Solution-Focused Coaching: Managing People in a Complex World (Harlow: Pearson).
3. D. Pink (2011) Drive: The Surprising Truth About What Motivates Us (New York: Riverhead).
4. J. Kouzes and B. Posner (2007) The Leadership Challenge, 4th ed., (San Francisco, CA Jossey-Bass).
5. S. Sinek (2011) Start with Why: How Great Leaders Inspire Everyone to Take Action (London: Penguin).