Stern, J. (2015). Gazprom: A long march to market-based pricing in Europe? Oxford Institute for Energy Studies.
Chicago-viite (17. p.)Stern, J. Gazprom: A Long March to Market-based Pricing in Europe? Oxford Institute for Energy Studies, 2015.
MLA-viite (9. p.)Stern, J. Gazprom: A Long March to Market-based Pricing in Europe? Oxford Institute for Energy Studies, 2015.
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