Ruttan, V. W. (1969). Agricultural policy in an affuent society. New York: W. W. Norton And Company.INC.
Παραπομπή Chicago StyleRuttan, Vernon W. Agricultural Policy in an Affuent Society. New York: W. W. Norton And Company.INC, 1969.
Παραπομπή MLARuttan, Vernon W. Agricultural Policy in an Affuent Society. New York: W. W. Norton And Company.INC, 1969.
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