Yell, Mitchell L.
The law and special education
Prentice-Hall, 1998
 Buku Teks
Simeonsson, Rune J.
Psychological and developmental assessment of special children
Allyn and Bacon, 1986
 Buku Teks
Planning and assessment in community education
edited by Harold J. Burbach
Pendell, 1977
 Buku Teks
Hallahan, Daniel P.
Exceptional children : introduction to special education
Prentice-Hall, 1988
 Buku Teks
Hallahan, Daniel P.
Exceptional children: introduction to special education
Allyn and Bacon, 1994
 Buku Teks