South Dakota Agricultural Experiment Station & South Dakota State University. Rural Sociology Department. (1940). Rural sociology pamphlet. Rural Sociology Dept., South Dakota Agricultural Experiment Station.
Citace podle Chicago (17th ed.)South Dakota Agricultural Experiment Station a South Dakota State University. Rural Sociology Department. Rural Sociology Pamphlet. [Brookings, S.D.]: Rural Sociology Dept., South Dakota Agricultural Experiment Station, 1940.
Citace podle MLA (8th ed.)South Dakota Agricultural Experiment Station a South Dakota State University. Rural Sociology Department. Rural Sociology Pamphlet. Rural Sociology Dept., South Dakota Agricultural Experiment Station, 1940.
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