1. C. Wardle H. Derakhshan “Information disorder: Toward an interdisciplinary framework for research and policy making” [Council of Europe policy report DGI(2017)09 Council of Europe 2017]; https://firstdraftnews.com/wp-content/uploads/2017/11/PREMS-162317-GBR-2018-Report-de%CC%81sinformation-1.pdf?x29719.
2. A. Swift Americans' trust in mass media sinks to new low (Gallup 2016); www.gallup.com/poll/195542/americans-trust-mass-media-sinks-new-low.aspx.
3. Social Media and Fake News in the 2016 Election
4. The spread of true and false news online
5. J. Weedon . Information operations and Facebook (Facebook 2017); https://fbnewsroomus.files.wordpress.com/2017/04/facebook-and-information-operations-v1.pdf.