World Intellectual Property Organization (Geneva, Switzerland). (2021). WIPO depository library collection: July to December 2021. World Intellectual Property Organization.
Chicago-Zitierstil (17. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). WIPO Depository Library Collection: July to December 2021. Luxembourg: World Intellectual Property Organization, 2021.
MLA-Zitierstil (9. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). WIPO Depository Library Collection: July to December 2021. World Intellectual Property Organization, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.