Não informado. (1977). International water report. Water Information Center.
Lua i Stíl Chicago (17ú heag.)Não informado. International Water Report. New York: Water Information Center, 1977.
Lua MLA (8ú heag.)Não informado. International Water Report. Water Information Center, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.