APA সাইটেশন

(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.

শিকাগো স্টাইলে সাইটেশন

Locarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.

এমএলএ সাইটেশন

Locarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.