Não informado. (1968). Teaching exceptional children. Council for Exceptional Children.
Lua i Stíl Chicago (17ú heag.)Não informado. Teaching Exceptional Children. Reston, Va: Council for Exceptional Children, 1968.
Lua MLA (8ú heag.)Não informado. Teaching Exceptional Children. Council for Exceptional Children, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.