Lewis, J. P. (1981). Development co-operation: Efforts and policies of the members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوLewis, John P. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development, 1981.
MLA استشهادLewis, John P. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.