Não informado. (1999). Topics in early childhood special education. Pro-Ed.
Lua i Stíl Chicago (17ú heag.)Não informado. Topics in Early Childhood Special Education. Austin, Tex: Pro-Ed, 1999.
Lua MLA (8ú heag.)Não informado. Topics in Early Childhood Special Education. Pro-Ed, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.