Não informado. (2019). Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Energy Prices and Taxes. Paris: International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.