Guiding principles, rules and procedure for the development and revision of documentary classifications with special reference to the Universal decimal classification (UDC)
APA Citation
International Federation for Documentation. (1955). Guiding principles, rules and procedure for the development and revision of documentary classifications with special reference to the Universal decimal classification (UDC). 2nd, rev. edition. The Hague.
MLA Citation
International Federation for Documentation. Guiding Principles, Rules And Procedure for the Development And Revision of Documentary Classifications With Special Reference to the Universal Decimal Classification (UDC). 2nd, rev. edition. The Hague, 1955.
Warning: These citations may not always be complete (especially for serials).