(2002). Guide to the international registration of marks under the Madrid agreement and the Madrid protocol. WIPO.
Chicago Style aipamenaGuide to the International Registration of Marks Under the Madrid Agreement and the Madrid Protocol. Geneva: WIPO, 2002.
MLA aipamenaGuide to the International Registration of Marks Under the Madrid Agreement and the Madrid Protocol. WIPO, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.