(2003). Closing the achievement gap: A vision for changing beliefs and practices (2nd ed.). Association for Supervision and Curriculum Development.
Chicago-Zitierstil (17. Ausg.)Closing the Achievement Gap: A Vision for Changing Beliefs and Practices. 2nd ed. Alexandria, Va: Association for Supervision and Curriculum Development, 2003.
MLA-Zitierstil (9. Ausg.)Closing the Achievement Gap: A Vision for Changing Beliefs and Practices. 2nd ed. Association for Supervision and Curriculum Development, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.