Hargreaves, D. H., Hopkins, D., & Leask, M. (1991). The empowered school: The management and practice of development planning. Cassell Educational.
Chicago-referens (17:e uppl.)Hargreaves, David H., David Hopkins, och Marilyn Leask. The Empowered School: The Management and Practice of Development Planning. London: Cassell Educational, 1991.
MLA-referens (9:e uppl.)Hargreaves, David H., et al. The Empowered School: The Management and Practice of Development Planning. Cassell Educational, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.