(2000). Percentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education.
Chicago Style (17. basım) AtıfPercentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education, 2000.
MLA (9th ed.) AtıfPercentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education, 2000.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..