Não informado. (1883). Bulletin of the United States Geological Survey. U.S. Department of the Interior.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the United States Geological Survey. Washington: U.S. Department of the Interior, 1883.
Lua MLA (8ú heag.)Não informado. Bulletin of the United States Geological Survey. U.S. Department of the Interior, 1883.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.