Não informado. (1903). Circular of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards.
Lua i Stíl Chicago (17ú heag.)Não informado. Circular of the Bureau of Standards. Washington: U.S. Department of Commerce, National Bureau of Standards, 1903.
Lua MLA (8ú heag.)Não informado. Circular of the Bureau of Standards. U.S. Department of Commerce, National Bureau of Standards, 1903.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.