World Intellectual Property Organization (Geneva, Switzerland). (2011). International classification of goods and services for the purposes of the registration of marks: Nice Classification (10th ed.). WIPO.
Citace podle Chicago (17th ed.)World Intellectual Property Organization (Geneva, Switzerland). International Classification of Goods and Services for the Purposes of the Registration of Marks: Nice Classification. 10th ed. Geneva: WIPO, 2011.
Citace podle MLA (9th ed.)World Intellectual Property Organization (Geneva, Switzerland). International Classification of Goods and Services for the Purposes of the Registration of Marks: Nice Classification. 10th ed. WIPO, 2011.
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