Não informado. (2016). World Energy Statistics and Balances. Organisation for Economic Co-operation and Development, International Energy Agency.
Chicago (17e ed.) BronvermeldingNão informado. World Energy Statistics and Balances. Paris: Organisation for Economic Co-operation and Development, International Energy Agency, 2016.
MLA (8e ed.) BronvermeldingNão informado. World Energy Statistics and Balances. Organisation for Economic Co-operation and Development, International Energy Agency, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.