British Standards Institution. (1976). Universal decimal classification (4th international ed.). British Standards Institution.
Citace podle Chicago (17th ed.)British Standards Institution. Universal Decimal Classification. 4th international ed. London: British Standards Institution, 1976.
Citace podle MLA (8th ed.)British Standards Institution. Universal Decimal Classification. 4th international ed. British Standards Institution, 1976.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..