United Nations. Natural Resources and Energy Division. (1984). Energy planning in developing countries. Oxford University Press in co-operation with the United Nations.
Dyfyniad Arddull ChicagoUnited Nations. Natural Resources and Energy Division. Energy Planning in Developing Countries. New York: Oxford University Press in co-operation with the United Nations, 1984.
Dyfyniad MLAUnited Nations. Natural Resources and Energy Division. Energy Planning in Developing Countries. Oxford University Press in co-operation with the United Nations, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.