Não informado. (1963). Hydrology papers. Colorado State University.
Lua i Stíl Chicago (17ú heag.)Não informado. Hydrology Papers. Fort Collins, Colo: Colorado State University, 1963.
Lua MLA (8ú heag.)Não informado. Hydrology Papers. Colorado State University, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.