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