Gaya APA

Institution, B, S. (2006). UDC: Universal Decimal Classification, Standard Edition, Volume 2, Alphabetical Index . London: British Sandard Instiution.

Gaya MLA

Institution, British, Standards. "UDC: Universal Decimal Classification, Standard Edition, Volume 2, Alphabetical Index". London: British Sandard Instiution, 2006. Text.