Hedley, D. (1981). World energy: The facts and the future. New York: Facts on File.
Style de citation ChicagoHedley, Don. World Energy: The Facts and the Future. New York: Facts on File, 1981.
Style de citation MLAHedley, Don. World Energy: The Facts and the Future. New York: Facts on File, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.