1. Avolio, B.J. and Bass, B.M. (1995), “Individual consideration viewed at multiple level of analysis: a multi‐level framework for examining the diffusion of transformational leadership”, Leadership Quarterly, Vol. 6, pp. 199‐218.
2. Bass, B.M. (1985), Leadership and Performance beyond Expectation, Free Press, New York, NY.
3. Bass, B.M. (1995), “Transformational leadership redux”, Leadership Quarterly, Vol. 6, pp. 463‐78.
4. Bass, B.M. (1998), Transformational Leadership: Industry, Military, and Educational Impact, Lawrance Erlbaum Associates, Mahwah, NJ.
5. Bass, B.M. and Avolio, B.J. (1990), Manual: The Multifactor Leadership Questionnaire, Consulting Psychologists Press, Palo Alto, CA.