Não informado. (1999). International Mining & Minerals. Institution of Mining Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. International Mining & Minerals. Doncaster, Inglaterra: Institution of Mining Engineers, 1999.
Lua MLA (8ú heag.)Não informado. International Mining & Minerals. Institution of Mining Engineers, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.