DAVIES, B., & ELLISON, L. (1997). School leadership for the 21st century: A competencyand knowledge approach. Routledge.
Lua i Stíl Chicago (17ú heag.)DAVIES, Breat, agus Linda ELLISON. School Leadership for the 21st Century: A Competencyand Knowledge Approach. London: Routledge, 1997.
Lua MLA (9ú heag.)DAVIES, Breat, agus Linda ELLISON. School Leadership for the 21st Century: A Competencyand Knowledge Approach. Routledge, 1997.
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