O.F, L. (2002). Energy output of the total internal product of Ukraine: An essence, tendency, outlook. General Energy Institute of the National Academy of Sciences of Ukraine.
Chicago-Zitierstil (17. Ausg.)O.F, Lyashenko. Energy Output of the Total Internal Product of Ukraine: An Essence, Tendency, Outlook. General Energy Institute of the National Academy of Sciences of Ukraine, 2002.
MLA-Zitierstil (8. Ausg.)O.F, Lyashenko. Energy Output of the Total Internal Product of Ukraine: An Essence, Tendency, Outlook. General Energy Institute of the National Academy of Sciences of Ukraine, 2002.
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