APA-Zitierstil (7. Ausg.)

International Energy Agency. (2018). Spot market and crude oil import costs: Crude oil import costs and index (Edition 2018). OECD Publishing. https://doi.org/10.1787/0a007429-en

Chicago-Zitierstil (17. Ausg.)

International Energy Agency. Spot Market and Crude Oil Import Costs: Crude Oil Import Costs and Index (Edition 2018). Paris: OECD Publishing, 2018. https://doi.org/10.1787/0a007429-en.

MLA-Zitierstil (9. Ausg.)

International Energy Agency. Spot Market and Crude Oil Import Costs: Crude Oil Import Costs and Index (Edition 2018). OECD Publishing, 2018. https://doi.org/10.1787/0a007429-en.