Não informado. (1958). Information circular. Mines Branch, Department of Energy, Mines and Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Information Circular. Ottawa: Mines Branch, Department of Energy, Mines and Resources, 1958.
Lua MLA (8ú heag.)Não informado. Information Circular. Mines Branch, Department of Energy, Mines and Resources, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.