Percentage of Students With Disabilities Ages 6-21: 1986-96. US Department of Education.
Chicago-Zitierstil (17. Ausg.)Percentage of Students With Disabilities Ages 6-21: 1986-96. US Department of Education.
MLA-Zitierstil (9. Ausg.)Percentage of Students With Disabilities Ages 6-21: 1986-96. US Department of Education.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.