I.Ch, L. (2019). Analysis of energy security indicators of the Ukrainian oil and gas industry. General Energy Institute of the National Academy of Sciences of Ukraine. https://doi.org/10.15407/pge2019.02.004
Chicago-Zitierstil (17. Ausg.)I.Ch, Leshchenko. Analysis of Energy Security Indicators of the Ukrainian Oil and Gas Industry. General Energy Institute of the National Academy of Sciences of Ukraine, 2019. https://doi.org/10.15407/pge2019.02.004.
MLA-Zitierstil (8. Ausg.)I.Ch, Leshchenko. Analysis of Energy Security Indicators of the Ukrainian Oil and Gas Industry. General Energy Institute of the National Academy of Sciences of Ukraine, 2019. https://doi.org/10.15407/pge2019.02.004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.