Não informado. (1981). Archives of Natural History. Society for the Bibliography of Natural History.
Lua i Stíl Chicago (17ú heag.)Não informado. Archives of Natural History. London: Society for the Bibliography of Natural History, 1981.
Lua MLA (8ú heag.)Não informado. Archives of Natural History. Society for the Bibliography of Natural History, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.