Não informado. (2019). Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Energy Prices and Taxes. Paris: International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Energy Prices and Taxes. International Energy Agency, Organisation for Economic Co-operation and Development, 2019.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.