United Nations. Natural Resources and Energy Division. (1984). Energy planning in developing countries. Oxford University Press in co-operation with the United Nations.
芝加哥风格引文United Nations. Natural Resources and Energy Division. Energy Planning in Developing Countries. New York: Oxford University Press in co-operation with the United Nations, 1984.
MLA引文United Nations. Natural Resources and Energy Division. Energy Planning in Developing Countries. Oxford University Press in co-operation with the United Nations, 1984.
警告：这些引文格式不一定是100％准确.