United Nations Development Programme. (1979). Rural development--issues and approaches for technical co-operation. United Nations Development Programme.
芝加哥风格引文United Nations Development Programme. Rural Development--issues and Approaches for Technical Co-operation. New York: United Nations Development Programme, 1979.
MLA引文United Nations Development Programme. Rural Development--issues and Approaches for Technical Co-operation. United Nations Development Programme, 1979.
警告：这些引文格式不一定是100％准确.