Não informado. (2019). Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development.
Chicago-referens (17:e uppl.)Não informado. Energy Prices and Taxes. Paris: International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
MLA-referens (8:e uppl.)Não informado. Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.