Não informado. (1984). List of Members. Geological Society of London.
Lua i Stíl Chicago (17ú heag.)Não informado. List of Members. London: Geological Society of London, 1984.
Lua MLA (8ú heag.)Não informado. List of Members. Geological Society of London, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.