Não informado. (2012). Memoirs of the Geological Survey of the United Kingdom. [s.n.].
Lua i Stíl Chicago (17ú heag.)Não informado. Memoirs of the Geological Survey of the United Kingdom. London: [s.n.], 2012.
Lua MLA (8ú heag.)Não informado. Memoirs of the Geological Survey of the United Kingdom. [s.n.], 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.