Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Evaluating agri-environmental policies: Design, practice and results. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Evaluating Agri-environmental Policies: Design, Practice and Results. Paris, France: OECD, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Evaluating Agri-environmental Policies: Design, Practice and Results. OECD, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.