South Dakota State College of Agriculture and Mechanic Arts. Economics Department & South Dakota Agricultural Experiment Station. (1942). Agricultural economics pamphlet. Dept. of Agricultural Economics, Agricultural Experiment Station, South Dakota State College.
Style de citation Chicago (17e éd.)South Dakota State College of Agriculture and Mechanic Arts. Economics Department et South Dakota Agricultural Experiment Station. Agricultural Economics Pamphlet. Brookings, S.D.: Dept. of Agricultural Economics, Agricultural Experiment Station, South Dakota State College, 1942.
Style de citation MLA (8e éd.)South Dakota State College of Agriculture and Mechanic Arts. Economics Department et South Dakota Agricultural Experiment Station. Agricultural Economics Pamphlet. Dept. of Agricultural Economics, Agricultural Experiment Station, South Dakota State College, 1942.