Collier, C. (2017). But what do I do?: Strategies from A to W for multi-tier systems of support. Corwin.
Chicago-Zitierstil (17. Ausg.)Collier, Catherine. But What Do I Do?: Strategies from A to W for Multi-tier Systems of Support. Thousand Oaks: Corwin, 2017.
MLA-Zitierstil (9. Ausg.)Collier, Catherine. But What Do I Do?: Strategies from A to W for Multi-tier Systems of Support. Corwin, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.