United States. Bureau of Reclamation. (1981). Reclamation era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O..
Stile di citazione ChicagoUnited 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.
Citazione MLAUnited States. Bureau of Reclamation. Reclamation Era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.