Não informado. (1894). Geological literature added to the Geological Society's Library. Geological Society of London.
Lua i Stíl Chicago (17ú heag.)Não informado. Geological Literature Added to the Geological Society's Library. London: Geological Society of London, 1894.
Lua MLA (8ú heag.)Não informado. Geological Literature Added to the Geological Society's Library. Geological Society of London, 1894.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.