World Intellectual Property Organization (Geneva, Switzerland). (2019). Guide to the International Registration of Marks under the Madrid Agreement and the Madrid Protocol: (updated 2019). WIPO.
Chicago-Zitierstil (17. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide to the International Registration of Marks Under the Madrid Agreement and the Madrid Protocol: (updated 2019). Geneva: WIPO, 2019.
MLA-Zitierstil (9. Ausg.)World Intellectual Property Organization (Geneva, Switzerland). Guide to the International Registration of Marks Under the Madrid Agreement and the Madrid Protocol: (updated 2019). WIPO, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.