<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Isaac, Antoine / Summers, Ed</hi> (2009): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">W3C Working Group Note 18 August 2009. SKOS Simple Knowledge Organization System Prime</hi>r <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://www.w3.org/TR/skos-primer/">https://www.w3.org/TR/skos-primer/</ref> [letzter Zugriff 15. Juli 2021].