Não informado. (1975). Water S.A. Water Research Commission.
Lua i Stíl Chicago (17ú heag.)Não informado. Water S.A. Pretoria, Africa do Sul: Water Research Commission, 1975.
Lua MLA (8ú heag.)Não informado. Water S.A. Water Research Commission, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.