Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). Development co-operation report 2011 (50th Anniversary ed.). OECD Pub..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Development Co-operation Report 2011. 50th Anniversary ed. Paris: OECD Pub., 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Development Co-operation Report 2011. 50th Anniversary ed. OECD Pub., 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.