Não informado. (1972). Development Co-operation: Efforts and policies of the members of the Development Assistance Committee. Organization for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organization for Economic Co-operation and Development, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Organization for Economic Co-operation and Development, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.