Não informado. (1950). Colonial Geology and Mineral Resources. Colonial Geological Survey.
Lua i Stíl Chicago (17ú heag.)Não informado. Colonial Geology and Mineral Resources. London: Colonial Geological Survey, 1950.
Lua MLA (8ú heag.)Não informado. Colonial Geology and Mineral Resources. Colonial Geological Survey, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.