Nagypál, G. (2007). Possibly imperfect ontologies for effective information retrieval. KIT Scientific Publishing.
Chicago-referens (17:e uppl.)Nagypál, Gábor. Possibly Imperfect Ontologies for Effective Information Retrieval. KIT Scientific Publishing, 2007.
MLA-referens (9:e uppl.)Nagypál, Gábor. Possibly Imperfect Ontologies for Effective Information Retrieval. KIT Scientific Publishing, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.