Não informado. (1979). School psychology international. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. School Psychology International. London: Sage Publications, 1979.
Lua MLA (8ú heag.)Não informado. School Psychology International. Sage Publications, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.