British Standards Institution, L. (1961). Universal decimal classification: Abridged English edition. The author.
Style de citation Chicago (17e éd.)British Standards Institution, London. Universal Decimal Classification: Abridged English Edition. The author, 1961.
Style de citation MLA (9e éd.)British Standards Institution, London. Universal Decimal Classification: Abridged English Edition. The author, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.