Copland, M. A., & Knapp, M. S. (2006). Connecting leadership with learning: A framework for reflection, planning and action. Alexandria, VA: Association for Supervision and Curriculum Development.
Dufour, R. (2002). The learning-centered principal. Educational Leadership, 59(8), 12-15.
Glickman, C.D. (2002). Leadership for Learning. Alexandria, VA: Association for Supervision and Curriculum Development.
Gurr, D. (2015). A model of successful school leadership from the International Successful Principalship Project. Societies, 5(1), 136-150.
Hallinger, P. (2011). Leadership for learning: Lessons from 40 years of empirical research. Journal of Educational Administration, 49(2), 125-142.
Horng, E., & Loeb, S. (2010). New thinking about instructional leadership. Kappan, 92(3), 66-69.
Knapp, M. S., Copland, M. A., Honig, M. I., Plecki, M. L., & Portin, B. S. (2010). Learning-focused leadership and leadership support: Meaning and practice in urban systems. Seattle: University of Washington, Center for the Study of Teaching and Policy.
Leithwood, K., Seashore, K., Anderson, S., & Wahlstrom, K. (2004). Review of research: How leadership influences student learning. University of Minnesota, Center for Applied Research and Educational Improvement.
Murphy, J., Elliot, S. N., Goldring, E., & Porter, A. C. (2007). Leadership for learning: A research-based model and taxonomy of behaviors. School Leadership and Management, 27(2), 179-201.
Porter, L. W., Steers, R. M., Mowday, R. T., & Boulian, P. V. (1974). Organizational commitment, job satisfaction, and turnover among psychiatric technicians. Journal of Applied Psychology, 59(5), 603-609.
Robinson, V. M. J., Lloyd, C. A., & Rowe, K. J. (2008). The impact of leadership on student outcomes: An analysis of the differential effects of leadership types. Educational Administration Quarterly, 44(5), 635-674.
Sebastian, J., & Allensworth, E. (2013). How do secondary principals influence teaching and learning?. Principal’s Research Review, 8(4), 1-5.
Smith, W & Andrews, R. (1989). Instructional leadership: How principals make a difference. Alexandria, VA: Association for Supervision and Curriculum Development.
Spreitzer, G. M. (1995). Psychological Empowerment in the Workplace: Dimensions, Measurement, and Validation. Academy of Management Journal, 38(5), 1442-1465.
Supovitz, J., Sirinides, P., & May, H. (2010). How principals and peers influence teaching and learning. Educational Administration Quarterly, 46(1), 31–56.
Tschannen‐Moran, M. & Hoy, W. (1998). Trust in schools: a conceptual and empirical analysis. Journal of Educational Administration, 36 (4), 334-352,
Tulowitzki, P. (2015) The development of educational leadership and teaching professions in Germany. Journal of Educational, Cultural and Psychological Studies, Retrieved from http://www.ledonline.it/index.php/ECPS-Journal/article/view/855.