APA
World intellectual property organization (WIPO), . (2011). Madrid system for the international registration of marks. Switzerland: .
Chicago
World intellectual property organization (WIPO), . 2011. Madrid system for the international registration of marks. Switzerland: .
Harvard
World intellectual property organization (WIPO), . (2011). Madrid system for the international registration of marks. Switzerland: .
MLA
World intellectual property organization (WIPO), . Madrid system for the international registration of marks. Switzerland: . 2011.