Glennen, S.L.1997. Introduction to augmentative and alternative communication . In The handbook of augmentative and alternative communication , edited by S. Glennen and D. DeCoste.San Diego, CA: Singular Publishing Group.
2.
Gray, S.1997. AAC in the educational setting. In The handbook of augmentative and alternative communication, edited by S. Glennen and D. DeCoste.San Diego, CA: Singular Publishing Group.
3.
Hodgdon, L.2000. Visual strategies for improving communication and solving behavior problems. Presentation for Pinellas County Schools, Largo, FL.
4.
Millikin, C.1997. Symbol systems and vocabulary selection strategies. In The handbook of augmentative and alternative communication, edited by S. Glennen and D. DeCoste.San Diego, CA: Singular Publishing Group.
5.
Boardmaker. Mayer-Johnson Co., PO Box 1579, Solana Beach, CA 92075; 800-588- 4548; http://www.mayer-johnson.com.
6.
Songs to Communicate. 1999. D. Brodin-Lennon and C. Rinehart. Solana Beach, CA: Mayer-Johnson Co.
7.
Eye-cons. KidAccess, 6526 Darlington Road, Pittsburgh, PA 15217; 412-521-8552; http://www.kidaccess.com.
8.
Music Is Elementary. 5220 Mayfield Road, Cleveland, OH 44124; 800-888-7502; http://www.musiciselementary.com.
9.
West Music Company. 1212 5th Street, Coralville IA 52241; 800-397-9378; http://www.westmusic.com.