Não informado. (1983). ITA communication. Institut du Transport Aerien.
Lua i Stíl Chicago (17ú heag.)Não informado. ITA Communication. Paris: Institut du Transport Aerien, 1983.
Lua MLA (8ú heag.)Não informado. ITA Communication. Institut du Transport Aerien, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.