(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.
Chicago Edition CitationLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.
MLA引文Locarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.
警告:這些引文格式不一定是100%准確.