World Bank Energy Department. (1981). Energy pricing in developing countries: A review of the literature. World Bank.
Dyfyniad Arddull ChicagoWorld Bank Energy Department. Energy Pricing in Developing Countries: A Review of the Literature. Washington: World Bank, 1981.
Dyfyniad MLAWorld Bank Energy Department. Energy Pricing in Developing Countries: A Review of the Literature. World Bank, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.