International Energy Agency. (2016). OECD - Coal exports by destination (Edition 2016). OECD Publishing. https://doi.org/10.1787/a5e1f38f-en
Chicago-Zitierstil (17. Ausg.)International Energy Agency. OECD - Coal Exports by Destination (Edition 2016). Paris: OECD Publishing, 2016. https://doi.org/10.1787/a5e1f38f-en.
MLA-Zitierstil (9. Ausg.)International Energy Agency. OECD - Coal Exports by Destination (Edition 2016). OECD Publishing, 2016. https://doi.org/10.1787/a5e1f38f-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.