World Intellectual Property Organization (Geneva, Switzerland). (2018). Guide to the International Registration of Marks under the Madrid Agreement and the Madrid Protocol: (updated 2018). 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 2018). Geneva: WIPO, 2018.
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 2018). WIPO, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.