Não informado. (2001). Shell aviation news. Shell International Trading.
Lua i Stíl Chicago (17ú heag.)Não informado. Shell Aviation News. London: Shell International Trading, 2001.
Lua MLA (8ú heag.)Não informado. Shell Aviation News. Shell International Trading, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.