(2017). Patents in environment-related technologies: Technology indicators (Edition 2017). OECD Publishing. https://doi.org/10.1787/e052c194-en
Chicago-Zitierstil (17. Ausg.)Patents in Environment-related Technologies: Technology Indicators (Edition 2017). Paris: OECD Publishing, 2017. https://doi.org/10.1787/e052c194-en.
MLA-Zitierstil (9. Ausg.)Patents in Environment-related Technologies: Technology Indicators (Edition 2017). OECD Publishing, 2017. https://doi.org/10.1787/e052c194-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.