(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.
Chicago Stili AlıntıLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.
MLA AlıntıLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..