APA-čujuhus (7. p.)
International Energy Agency. (2018). Oil 2018: Analysis and forecasts to 2023. OECD.
Chicago-čujuhus (17. p.)
International Energy Agency. Oil 2018: Analysis and Forecasts to 2023. Paris: OECD, 2018.
MLA-čujuhus (9. p.)
International Energy Agency. Oil 2018: Analysis and Forecasts to 2023. OECD, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.