Não informado. (2016). Energy Balances of OECD Countries. Organisation for Economic Co-operation and Development, International Energy Agency.
Citação do estilo Chicago (17ª ed.)Não informado. Energy Balances of OECD Countries. Paris: Organisation for Economic Co-operation and Development, International Energy Agency, 2016.
Citação MLA (8ª ed.)Não informado. Energy Balances of OECD Countries. Organisation for Economic Co-operation and Development, International Energy Agency, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.