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.
芝加哥风格引文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.
MLA引文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.
警告：这些引文格式不一定是100％准确.