Gutstein, S. E., & Sheely, R. K. (2002). Relationship development intervention with young children: Social and emotional development activities for Asperger syndrome, autism, PDD, and NLD. Jessica Kingsley Pub..

Gutstein, Steven E., and Rachelle K. Sheely. Relationship Development Intervention with Young Children: Social and Emotional Development Activities for Asperger Syndrome, Autism, PDD, and NLD. London ; Philadelphia: Jessica Kingsley Pub., 2002.

Gutstein, Steven E., and Rachelle K. Sheely. Relationship Development Intervention with Young Children: Social and Emotional Development Activities for Asperger Syndrome, Autism, PDD, and NLD. Jessica Kingsley Pub., 2002.