Não informado. (1939). International journal of agrarian affairs. University of Oxford, Institute of Agrarian Affairs.
Chicago-viite (17. p.)Não informado. International Journal of Agrarian Affairs. Oxford, Inglaterra: University of Oxford, Institute of Agrarian Affairs, 1939.
MLA-viite (8. p.)Não informado. International Journal of Agrarian Affairs. University of Oxford, Institute of Agrarian Affairs, 1939.
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