Παραπομπή σε μορφή APA (7η εκδ.)

(2000). Percentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Percentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Percentage of Students With Disabilities Ages 6-21: 1986-96. U.S. Department of Education, 2000.