Cipani, E.C., & Spooner, F. (1994). Curricular and instructional approaches for persons with severe disabilities. Needham Heights, MA: Allyn & Bacon.
2.
Hilton, A. & Ringlaven, R. (1998). Best and promising practices in developmental disabilities. Austin, TX: Pro-Ed .
3.
McDonnell, J.J., Hardman, M.L., McDonnell, A.P., & Keifer-O'Donnell, R. (1995). An introduction to persons with severe disabilities. Needham Heights, MA: Allyn & Bacon.
4.
Ryndak, D., C. & Alper, S. (1996). Curriculum content for students with moderate and severe disabilities in inclusive settings. Needham Heights, MA: Allyn & Bacon.
5.
Snell, M.E. (1993). Instruction of students with severe disabilities (4th ed.). Englewood Cliffs, NJ: Prentice-Hall.
6.
Westling, D.L., & Fox, L. (1995). Teaching students with severe disabilities. Englewood Cliffs, NJ: Prentice-Hall.