Kovacevic, A. (2007). The potential contribution of natural gas to sustainable development in South Eastern Europe. Oxford Institute for Energy Studies.
Chicago-Zitierstil (17. Ausg.)Kovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
MLA-Zitierstil (9. Ausg.)Kovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.