Não informado. (1994). Insight. British Institute of Non-Destructive Testing.
Lua i Stíl Chicago (17ú heag.)Não informado. Insight. Northampton, Inglaterra: British Institute of Non-Destructive Testing, 1994.
Lua MLA (8ú heag.)Não informado. Insight. British Institute of Non-Destructive Testing, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.