(2021). Patents in environment-related technologies: International collaboration in technology development by inventor country (Edition 2021). OECD Publishing. https://doi.org/10.1787/1c42f73b-en
Chicago-Zitierstil (17. Ausg.)Patents in Environment-related Technologies: International Collaboration in Technology Development by Inventor Country (Edition 2021). Paris: OECD Publishing, 2021. https://doi.org/10.1787/1c42f73b-en.
MLA-Zitierstil (9. Ausg.)Patents in Environment-related Technologies: International Collaboration in Technology Development by Inventor Country (Edition 2021). OECD Publishing, 2021. https://doi.org/10.1787/1c42f73b-en.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.