Não informado. (2019). Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Energy Prices and Taxes. Paris: International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
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