3Spreitzer, G. M, 1995, "Psychological Empowerment in the Workplace: Dimensions, Measurement and Validation", Academy of Management Journal,38(5): pp.1442-1465.
4Spreitzer, G. M, Janasz, S. C, & Quinn, R. E, 1999,"Empowered to Lead: The Role of Psychological Empowerment in Leadership", Journal of Organizational Behavior, 20 (4): pp.511-526.
5Thomas, K. W, & Vehhouse, B. A, 1990,"Cognitive Elements of Empowerment: An 'Interpretive' Model of Intrinsic Task Motivation", Academy of Management Review, 15 (4): pp.666-681.
6Tsui, A. S, Pearce, J. L, Porter, L. W, & Tripoli, A.M, 1997, "Alternative Approaches to the Employee-organization Relationship: Does Investment in Employees Pay off?", Academy of Management Journal, 40: pp.1089-1121.
7Waldman D. A, Ramirez G. G, House R. J, & Puranam P, 2001, "Does Leadership Matter? CEO Leadership Attributes and Profitability under Conditions of Perceived Environmental Uncertainty", Academy of Management Journal, 44 (1):pp.134-143.
8Wang, H, Law, K. S, Hackett, R. D, Wang, D, &Chen, Z, 2005, "Leader-Member Exchange as a Mediator of the Relationship between Transformational Leadership and Followers' Performance and Organizational Citizenship Behavior", Academy of Management Journal, 48(3): pp420-432.
9Yousef, D. A, 2000, "Organizational Commitment: A Mediator of the Relationships of Leadership Behavior with Job Satisfaction and Performance in a Non-Western Country", Journal of Managerial Psychology, 15(1): pp6-28.
10Yukl, G. A, 1984, "Managerial Leadership: A Review of Theory and Research", Journal of Management, 15 (2): pp.251-289.
