Harris, S. L., & Handleman, J. S. (1994). Preschool education programs for children with autism. PRO-ED.
Lua i Stíl Chicago (17ú heag.)Harris, Sandra L., agus Jan S. Handleman. Preschool Education Programs for Children with Autism. Austin, Tex: PRO-ED, 1994.
Lua MLA (9ú heag.)Harris, Sandra L., agus Jan S. Handleman. Preschool Education Programs for Children with Autism. PRO-ED, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.