Koegel, R. L., & Koegel, L. K. Teaching children with autism: Strategies for initiating positve interactions and improving learning opportunities. c1995.
Chicago-viite (17. p.)Koegel, Robert L., ja Lynn Kern Koegel. Teaching Children with Autism: Strategies for Initiating Positve Interactions and Improving Learning Opportunities. Baltimore : Paul Brookes Pub: c1995.
MLA-viite (9. p.)Koegel, Robert L., ja Lynn Kern Koegel. Teaching Children with Autism: Strategies for Initiating Positve Interactions and Improving Learning Opportunities. c1995.
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