APA-viite (7. p.)

British Standards Institution. (1969). Universal decimal classification (English full ed. (4th international ed.).). British Standards Institution.

Chicago-viite (17. p.)

British Standards Institution. Universal Decimal Classification. English full ed. (4th international ed.). London: British Standards Institution, 1969.

MLA-viite (8. p.)

British Standards Institution. Universal Decimal Classification. English full ed. (4th international ed.). British Standards Institution, 1969.