Food and Agriculture Organization of the United nations & Food and Agriculture Organization of the United Nations. Agricultural Policy Support Service. (1995). sustainability issues in agricultural and rural development policies: Vol.1.trainees reader :. Food and Agriculture Organization of the United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Food and Agriculture Organization of the United nations و Food and Agriculture Organization of the United Nations. Agricultural Policy Support Service. Sustainability Issues in Agricultural and Rural Development Policies: Vol.1.trainees Reader :. Rome: Food and Agriculture Organization of the United Nations, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Food and Agriculture Organization of the United nations و Food and Agriculture Organization of the United Nations. Agricultural Policy Support Service. Sustainability Issues in Agricultural and Rural Development Policies: Vol.1.trainees Reader :. Food and Agriculture Organization of the United Nations, 1995.