World Intellectual Property Organization. (2012). International Classification for Industrial Designs: Locarno Classification (9th. edition.). Geneva, Switzerland: WIPO.
Chicago Style CitationWorld Intellectual Property Organization. International Classification for Industrial Designs: Locarno Classification. 9th. edition. Geneva, Switzerland: WIPO, 2012.
MLA CitationWorld Intellectual Property Organization. International Classification for Industrial Designs: Locarno Classification. 9th. edition. Geneva, Switzerland: WIPO, 2012.
Warning: These citations may not always be 100% accurate.