Kumin, L. (2001). Classroom language skills for children with down syndrome: A guide for parents and teachers. Woodbine House.
Čikaški stil citiranja (17. izdanje)Kumin, Libby. Classroom Language Skills for Children with Down Syndrome: A Guide for Parents and Teachers. Bethesda, Md: Woodbine House, 2001.
MLA način citiranja (9. izdanje)Kumin, Libby. Classroom Language Skills for Children with Down Syndrome: A Guide for Parents and Teachers. Woodbine House, 2001.
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