Donker Duyvis, F. (1961). Policy of revision of the Universal Decimal Classification. International Federation For Documentation.
Style de citation Chicago (17e éd.)Donker Duyvis, Frits. Policy of Revision of the Universal Decimal Classification. The Hague: International Federation For Documentation, 1961.
Style de citation MLA (9e éd.)Donker Duyvis, Frits. Policy of Revision of the Universal Decimal Classification. International Federation For Documentation, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.