Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Agricultural policies in OECD countries: At a glance. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Agricultural Policies in OECD Countries: At a Glance. Paris: Organisation for Economic Co-operation and Development, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Agricultural Policies in OECD Countries: At a Glance. Organisation for Economic Co-operation and Development, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.