Não informado. (1981). School organization. Taylor & Francis.
Lua i Stíl Chicago (17ú heag.)Não informado. School Organization. London: Taylor & Francis, 1981.
Lua MLA (8ú heag.)Não informado. School Organization. Taylor & Francis, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.