Não informado. (1977). Coastal engineering technical aid. U.S. Army Coastal Engineering Research Center.
Lua i Stíl Chicago (17ú heag.)Não informado. Coastal Engineering Technical Aid. Fort Belvoir, Va: U.S. Army Coastal Engineering Research Center, 1977.
Lua MLA (8ú heag.)Não informado. Coastal Engineering Technical Aid. U.S. Army Coastal Engineering Research Center, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.