APA-viite (7. p.)
Crawford, R. (1997). Managing information technology in secondary schools. Routledge.
Chicago-viite (17. p.)
Crawford, Roger. Managing Information Technology in Secondary Schools. London ; New York: Routledge, 1997.
MLA-viite (9. p.)
Crawford, Roger. Managing Information Technology in Secondary Schools. Routledge, 1997.
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