World Intellectual Property Organization. (1988). Background reading material on intellectual property. World Intellectual Property Organization.
Citace podle Chicago (17th ed.)World Intellectual Property Organization. Background Reading Material on Intellectual Property. Geneva, Switzerland: World Intellectual Property Organization, 1988.
Citace podle MLA (9th ed.)World Intellectual Property Organization. Background Reading Material on Intellectual Property. World Intellectual Property Organization, 1988.
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