Não informado. (1977). Exceptional Child Education Resources. Council for Exceptional Children.
Lua i Stíl Chicago (17ú heag.)Não informado. Exceptional Child Education Resources. Reston, Va: Council for Exceptional Children, 1977.
Lua MLA (8ú heag.)Não informado. Exceptional Child Education Resources. Council for Exceptional Children, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.