Williams, M. J. (1977). Development co-operation: Efforts and policies of the members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوWilliams, Maurice J. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development, 1977.
MLA استشهادWilliams, Maurice J. Development Co-operation: Efforts and Policies of the Members of the Development Assistance Committee. Paris: Organisation for Economic Co-operation and Development, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.