International Energy Agency. (2017). Energy Policies of IEA Countries: Poland 2016. International Energy Agency. https://doi.org/10.1787/9789264272309-en
Chicago-Zitierstil (17. Ausg.)International Energy Agency. Energy Policies of IEA Countries: Poland 2016. Paris: International Energy Agency, 2017. https://doi.org/10.1787/9789264272309-en.
MLA-Zitierstil (9. Ausg.)International Energy Agency. Energy Policies of IEA Countries: Poland 2016. International Energy Agency, 2017. https://doi.org/10.1787/9789264272309-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.