Muck Rack, muckrack.com, besøkt 12. november 2020[Hentet fra Wikidata]
thehill.com
Schulte, Gabriela (24. mars 2021). «Poll: Roughly half say CNN, FOX have partisan media bias». TheHill(engelsk). Besøkt 29. juli 2021. «Forty-eight percent of registered voters in the March 19-22 survey said Fox News has conservative media bias while 47 percent said CNN has liberal media bias.»