APA-Zitierstil (7. Ausg.)

International Energy Agency. (2020). Spot market and crude oil import costs: Crude oil import costs and index (Edition 2020). OECD Publishing. https://doi.org/10.1787/7f07e935-en

Chicago-Zitierstil (17. Ausg.)

International Energy Agency. Spot Market and Crude Oil Import Costs: Crude Oil Import Costs and Index (Edition 2020). Paris: OECD Publishing, 2020. https://doi.org/10.1787/7f07e935-en.

MLA-Zitierstil (9. Ausg.)

International Energy Agency. Spot Market and Crude Oil Import Costs: Crude Oil Import Costs and Index (Edition 2020). OECD Publishing, 2020. https://doi.org/10.1787/7f07e935-en.