Preventing problem behaviors: Schoolwide programs and classroom practices (2nd ed.).
Chicago-Zitierstil (17. Ausg.)Preventing Problem Behaviors: Schoolwide Programs and Classroom Practices. 2nd ed.
MLA-Zitierstil (9. Ausg.)Preventing Problem Behaviors: Schoolwide Programs and Classroom Practices. 2nd ed.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.