APA
World Intellectual Property Organization (WIPO), . (2012). International classification of the figurative elements of marks. Geneva: World Intellectual Property Organization (WIPO).
Chicago
World Intellectual Property Organization (WIPO), . 2012. International classification of the figurative elements of marks. Geneva: World Intellectual Property Organization (WIPO).
Harvard
World Intellectual Property Organization (WIPO), . (2012). International classification of the figurative elements of marks. Geneva: World Intellectual Property Organization (WIPO).
MLA
World Intellectual Property Organization (WIPO), . International classification of the figurative elements of marks. Geneva: World Intellectual Property Organization (WIPO). 2012.