1. Personality and task moderators of subordinate responses to perceived leader behavior;Abdel-Halim;Human Relations,1981
2. Leadership and performance beyond expectations;Bass,1985
3. Bass and Stogdill's handbook of leadership: theory, research and managerial applications;Bass,1990
4. Transformational leadership: a response to critiques;Bass,1993
5. Leaders: the strategies for taking charge;Bennis,1985