World Intellectual Property Organization. (1988). Background reading material on intellectual property. World Intellectual Property Organization.
Chicago-referens (17:e uppl.)World Intellectual Property Organization. Background Reading Material on Intellectual Property. Geneva, Switzerland: World Intellectual Property Organization, 1988.
MLA-referens (9:e uppl.)World Intellectual Property Organization. Background Reading Material on Intellectual Property. World Intellectual Property Organization, 1988.
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