Wilson, P., Snider, G., & Ayer, H. (1984). Drip irrigation for cotton: Implications for farm profits. U.S. Dept. of Agriculture, Economic Research Service in cooperation with University of Arizona Dept. of Agricultural Economics : Supt. of Docs., U.S. G.P.O. [distributor] ; National Technical Information Service, Identification Section [distributor].
Lua i Stíl Chicago (17ú heag.)Wilson, Paul, Gary Snider, agus Harry Ayer. Drip Irrigation for Cotton: Implications for Farm Profits. Washington, D.C. : Springfield, Va.: U.S. Dept. of Agriculture, Economic Research Service in cooperation with University of Arizona Dept. of Agricultural Economics : Supt. of Docs., U.S. G.P.O. [distributor] ; National Technical Information Service, Identification Section [distributor], 1984.
Lua MLA (8ú heag.)Wilson, Paul, et al. Drip Irrigation for Cotton: Implications for Farm Profits. U.S. Dept. of Agriculture, Economic Research Service in cooperation with University of Arizona Dept. of Agricultural Economics : Supt. of Docs., U.S. G.P.O. [distributor] ; National Technical Information Service, Identification Section [distributor], 1984.