Provedení Taxonomy of knowledge organization sources / systems (2000)

ZENG, Marcia Lei. Taxonomy of knowledge organization sources / systems. In: Networked knowledge organization systems/services: NKOS [online webové sídlo]. Kent: School of Library and Information Science, Kent State University, Draft June 7, 2000, revised July 31, 2000 [cit. 2013-07-12]. Dostupné z: http://nkos.slis.kent.edu/KOS_taxonomy.htm.