Não informado. (2001). School effectiviness and school improvement. Swets & Zeitlinger.
Chicago-Zitierstil (17. Ausg.)Não informado. School Effectiviness and School Improvement. Lisse, Holanda: Swets & Zeitlinger, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. School Effectiviness and School Improvement. Swets & Zeitlinger, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.