Hargreaves, D. H., Hopkins, D., & Leask, M. (1991). The empowered school: The management and practice of development planning. Cassell Educational.
Lua i Stíl Chicago (17ú heag.)Hargreaves, David H., David Hopkins, agus Marilyn Leask. The Empowered School: The Management and Practice of Development Planning. London: Cassell Educational, 1991.
Lua MLA (9ú heag.)Hargreaves, David H., et al. The Empowered School: The Management and Practice of Development Planning. Cassell Educational, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.