<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">W3C World Wide Web Consortium (2015)</hi>: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">“RDFa Core 1.1 – Third Edition. Syntax and processing rules for embedding RDF through attributes”</hi>, text/html Format, URL: <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://www.w3.org/TR/2015/REC-rdfa-core-20150317/">http://www.w3.org/TR/2015/REC-rdfa-core-20150317/</ref> (letzter Zugriff: 04. Januar 2019).