Petrovich, B. (2015). The increasing hub pricing and market integration in EuropeThe increasing hub pricing and market integration in Europe. Oxford Institute for Energy Studies.
Lua i Stíl Chicago (17ú heag.)Petrovich, B. The Increasing Hub Pricing and Market Integration in EuropeThe Increasing Hub Pricing and Market Integration in Europe. Oxford Institute for Energy Studies, 2015.
Lua MLA (9ú heag.)Petrovich, B. The Increasing Hub Pricing and Market Integration in EuropeThe Increasing Hub Pricing and Market Integration in Europe. Oxford Institute for Energy Studies, 2015.
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