Não informado. Geodex soil mechanics information service. Geodex International.
Lua i Stíl Chicago (17ú heag.)Não informado. Geodex Soil Mechanics Information Service. Sonoma, Calif: Geodex International.
Lua MLA (8ú heag.)Não informado. Geodex Soil Mechanics Information Service. Geodex International.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.