United Nations Industrial Development Organization. (1979). Appropriate industrial technology for low-cost transport for rural areas. United Nations.
芝加哥风格引文United Nations Industrial Development Organization. Appropriate Industrial Technology for Low-cost Transport for Rural Areas. New York: United Nations, 1979.
MLA引文United Nations Industrial Development Organization. Appropriate Industrial Technology for Low-cost Transport for Rural Areas. United Nations, 1979.
警告：这些引文格式不一定是100％准确.