Banks, V. J. (1972). Farm population by race, tenure, and economic scale of farming, 1966 and 1970. U.S. Dept. of Agriculture, Economic Research Service.
Citación estilo ChicagoBanks, Vera J. Farm Population by Race, Tenure, and Economic Scale of Farming, 1966 and 1970. Washington, D.C.: U.S. Dept. of Agriculture, Economic Research Service, 1972.
Cita MLABanks, Vera J. Farm Population by Race, Tenure, and Economic Scale of Farming, 1966 and 1970. U.S. Dept. of Agriculture, Economic Research Service, 1972.
Warning: These citations may not always be 100% accurate.