International Council for Children's Play (ICCP), Conference 1966. (1966). Bibliography on Play: Section on Play for handicapped Children. Children's Play Activities.
Lua i Stíl Chicago (17ú heag.)International Council for Children's Play (ICCP), Conference 1966. Bibliography on Play: Section on Play for Handicapped Children. London: Children's Play Activities, 1966.
Lua MLA (8ú heag.)International Council for Children's Play (ICCP), Conference 1966. Bibliography on Play: Section on Play for Handicapped Children. Children's Play Activities, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.