Koegel, R. L., & Koegel, L. K. Teaching children with autism: Strategies for initiating positve interactions and improving learning opportunities. c1995.
Čikaški stil citiranja (17. izdanje)Koegel, Robert L., i Lynn Kern Koegel. Teaching Children with Autism: Strategies for Initiating Positve Interactions and Improving Learning Opportunities. Baltimore : Paul Brookes Pub: c1995.
MLA način citiranja (9. izdanje)Koegel, Robert L., i Lynn Kern Koegel. Teaching Children with Autism: Strategies for Initiating Positve Interactions and Improving Learning Opportunities. c1995.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.