Kumin, L. (2003). Early communication skills for children with down syndrome: A guide for parents and professionals (2nd ed.). Woodbine House.
Цитирование в стиле Чикаго (17-е изд.)Kumin, Libby. Early Communication Skills for Children with Down Syndrome: A Guide for Parents and Professionals. 2nd ed. Bethesda, Md: Woodbine House, 2003.
Цитирование MLA (9-е изд.)Kumin, Libby. Early Communication Skills for Children with Down Syndrome: A Guide for Parents and Professionals. 2nd ed. Woodbine House, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.