1. AC 2012 Coaching definitions http://www.associationforcoaching.com/about/about03.htm
2. The development of the private sector version of the (Engaging) Transformational Leadership Questionnaire (ELQ);Alban-Metcalfe;Leadership & Organisational Development Journal,2007
3. Leadership: Time for a new direction?;Alimo-Metcalfe;Leadership,2005
4. Alli , A. 1977 Orientation: Principles, techniques, and philosophy of a ritual technology for self-initiation http://www.paratheatrical.com