European Commission, Directorate-General for the Environment (Brussels, Belgium). (2011). The EU biodiversity strategy to 2020. Publications Office of the European Union.
Chicago-Zitierstil (17. Ausg.)European Commission, Directorate-General for the Environment (Brussels, Belgium). The EU Biodiversity Strategy to 2020. Luxembourg: Publications Office of the European Union, 2011.
MLA-Zitierstil (9. Ausg.)European Commission, Directorate-General for the Environment (Brussels, Belgium). The EU Biodiversity Strategy to 2020. Publications Office of the European Union, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.