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.
Chicago-tyylinen lähdeviittausLewis, 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-viiteLewis, 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.
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