Não informado. (2000). Technical news from the National Bureau of Standards. U.S. Department of Commerce.
Lua i Stíl Chicago (17ú heag.)Não informado. Technical News from the National Bureau of Standards. Washington: U.S. Department of Commerce, 2000.
Lua MLA (8ú heag.)Não informado. Technical News from the National Bureau of Standards. U.S. Department of Commerce, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.