Krantz, P.J., MacDuff, M.T., & McClannahan, L.E. (1993). Programming participation in family activities for children with autism: Parents’ use of photographic activity schedules. Journal of Applied Behavior Analysis, 26, 137-138.
Yack, E., Aquilla, P. & Sutton, S. (2002). Building bridges through sensory integration: Therapy for children with Autism and other Pervasive Developmental Disorders (2nd ed.). Texas: Future Horizons Inc.