Long, D. (1991). European gas oil markets: Price relationships, hedging and efficiency. Oxford Institute for Energy Studies.
Style de citation Chicago (17e éd.)Long, D. European Gas Oil Markets: Price Relationships, Hedging and Efficiency. Oxford Institute for Energy Studies, 1991.
Style de citation MLA (9e éd.)Long, D. European Gas Oil Markets: Price Relationships, Hedging and Efficiency. Oxford Institute for Energy Studies, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.