Não informado. (1977). Advances in Water Resources. CML Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Advances in Water Resources. Southampton, Inglaterra: CML Publications, 1977.
Lua MLA (8ú heag.)Não informado. Advances in Water Resources. CML Publications, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.