European Productivity Agency. (1958). Farm management: Manual on the preparation of national and regional handbooks for use in farm management advisory work. European Productivity Agency.

European Productivity Agency. Farm Management: Manual on the Preparation of National and Regional Handbooks for Use in Farm Management Advisory Work. Paris: European Productivity Agency, 1958.

European Productivity Agency. Farm Management: Manual on the Preparation of National and Regional Handbooks for Use in Farm Management Advisory Work. European Productivity Agency, 1958.