Foote, R. J., & Snodgrass, J. C. (1970). Grain sorghum: Market structure of the High Plains. Dept. of Agricultural Economics, Texas Tech. University.
Lua i Stíl Chicago (17ú heag.)Foote, Richard Jay, agus Jesse Carter Snodgrass. Grain Sorghum: Market Structure of the High Plains. Lubbock: Dept. of Agricultural Economics, Texas Tech. University, 1970.
Lua MLA (8ú heag.)Foote, Richard Jay, agus Jesse Carter Snodgrass. Grain Sorghum: Market Structure of the High Plains. Dept. of Agricultural Economics, Texas Tech. University, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.