1. Bush T, Kiggundu E, Moorosi P 2011, Preparing new principals in South Africa: The ACE: School Leadership Programme.South African Journal of Education, 31: 31–41.
2. Carrel MR, Elbert NF, Hatfield RD, Grobler PA, Marx M, Van der Schyf S 1998.Human Resource Management in South Africa. Cape Town: Pearson
3. Castetter WB 1992.The Personnel Function in Educational Administration. New Jersey: Prentice Hall.
4. Erlandson DA, Witters-Churchill LJ 1990. Advances in the principalship: Performance and reflection. In: PW Thurston, LS Lotto (Eds.):Advances in Educational Administration. Volume 1, (Part B): Changing Perspectives on the School. Greenwich, Connecticut: JAI Press Inc., pp. 121-162.
5. Glickman C, Gordon S, Ross-Gordon J 2001.Supervision and Instructional Leadership: A Developmental Approach. Boston, MA: Allyn and Bacon.