World Energy Council Madrid, Spain. (1992). ُEnergy and the Economy: Energy costs, prices and competition.
Цитирование в стиле Чикаго (17-е изд.)World Energy Council Madrid, Spain. ُEnergy and the Economy: Energy Costs, Prices and Competition. Madrid, 1992.
Цитирование MLA (9-е изд.)World Energy Council Madrid, Spain. ُEnergy and the Economy: Energy Costs, Prices and Competition. 1992.