Long, D. (1991). European gas oil markets: Price relationships, hedging and efficiency. Oxford Institute for Energy Studies.
Citação do estilo Chicago (17ª ed.)Long, D. European Gas Oil Markets: Price Relationships, Hedging and Efficiency. Oxford Institute for Energy Studies, 1991.
Citação MLA (9ª ed.)Long, D. European Gas Oil Markets: Price Relationships, Hedging and Efficiency. Oxford Institute for Energy Studies, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.