Não informado. (1972). Geos. Department of Energy, Mines and Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Geos. Ottawa: Department of Energy, Mines and Resources, 1972.
Lua MLA (8ú heag.)Não informado. Geos. Department of Energy, Mines and Resources, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.