<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Sinclair, Stéfan / Rockwell, Geoffrey</hi> (2019): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Voyant Tools (Version 2.4)</hi>. https://voyant-tools.org/ [letzter Zugriff 25. September 2019].