1. Adams, J. S. (1965). Inequity in social exchange. In L. Berkowitz (Ed.), Advances in experimental social psychology (Vol. 2, pp. 267–299). Academic Press.
2. Adams, J. S., & Freedman, S. (1976). Equity theory revisited: Comments and annotated bibliography. In L. Berkowitz & E. Walster (Eds.), Advances in experimental social psychology (Vol. 9, pp. 43–90). Academic Press.
3. Agle, B. R., Nagarajan, N. J., Sonnenfeld, J. A., & Srinivasan, D. (2006). Does CEO charisma matter? An empirical analysis of the relationships among organizational performance, environmental uncertainty, and top management team perceptions of CEO charisma. Academy of Management Journal, 49(1), 161–174.
4. Ahmad, M. S. (2011). Work ethics: An Islamic prospective. Journal of Human Sciences, 8(1), 850–859.
5. Alimo-Metcalfe, B. (2013). A critical review of leadership theory. In The Wiley-Blackwell handbook of the psychology of leadership, change, and organizational development (p. 15). Wiley-Blackwell.