World Intellectual Property Organization (Geneva, Switzerland). (2022). Guide to the Madrid system: International registration of marks under the Madrid protocol, (updated 2022). WIPO.
Chicago-Zitierstil (17. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide to the Madrid System: International Registration of Marks Under the Madrid Protocol, (updated 2022). Geneva: WIPO, 2022.
MLA-Zitierstil (9. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide to the Madrid System: International Registration of Marks Under the Madrid Protocol, (updated 2022). WIPO, 2022.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.