Citace podle APA (7th ed.)

World Intellectual Property Organization (Geneva, Switzerland). (2006). International patent classification (8th ed.). WIPO.

Citace podle Chicago (17th ed.)

World Intellectual Property Organization (Geneva, Switzerland). International Patent Classification. 8th ed. Geneva: WIPO, 2006.

Citace podle MLA (9th ed.)

World Intellectual Property Organization (Geneva, Switzerland). International Patent Classification. 8th ed. WIPO, 2006.

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