United States. Bureau of Reclamation. (1981). Reclamation era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O..
Lua i Stíl Chicago (17ú heag.)United States. Bureau of Reclamation. Reclamation Era. Denver, Colo. : Washington, D.C.: Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
Lua MLA (8ú heag.)United States. Bureau of Reclamation. Reclamation Era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.