World Energy Council Madrid, Spain. (1992). ُEnergy and the Economy: Energy costs, prices and competition.
Citazione stile Chigago Style (17a edizione)World Energy Council Madrid, Spain. ُEnergy and the Economy: Energy Costs, Prices and Competition. Madrid, 1992.
Citatione MLA (9a ed.)World Energy Council Madrid, Spain. ُEnergy and the Economy: Energy Costs, Prices and Competition. 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.