Cita APA (7th ed.)

Kumin, L. (2003). Early communication skills for children with down syndrome: A guide for parents and professionals (2nd ed.). Woodbine House.

Cita Chicago (17th ed.)

Kumin, Libby. Early Communication Skills for Children with Down Syndrome: A Guide for Parents and Professionals. 2nd ed. Bethesda, Md: Woodbine House, 2003.

Cita MLA (9th ed.)

Kumin, Libby. Early Communication Skills for Children with Down Syndrome: A Guide for Parents and Professionals. 2nd ed. Woodbine House, 2003.