APA
World Intellectual Property Organization (WIPO), . (2016). International survey on text and image copyright levies. Geneva: World Intellectual Property Organization (WIPO).
Chicago
World Intellectual Property Organization (WIPO), . 2016. International survey on text and image copyright levies. Geneva: World Intellectual Property Organization (WIPO).
Harvard
World Intellectual Property Organization (WIPO), . (2016). International survey on text and image copyright levies. Geneva: World Intellectual Property Organization (WIPO).
MLA
World Intellectual Property Organization (WIPO), . International survey on text and image copyright levies. Geneva: World Intellectual Property Organization (WIPO). 2016.