World Intellectual Property Organization (Geneva, Switzerland). (2001). International classification of goods and services for the purposes of the registration of marks: Nice classification ([1st 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. [1st ed.]. Geneva: WIPO, 2001.
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. [1st ed.]. WIPO, 2001.
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