Michael Schwirtz: Top Secret Russian Unit Seeks to Destabilize Europe, Security Officials Say. In: The New York Times. 8. Oktober 2019, ISSN0362-4331 (nytimes.com [abgerufen am 11. Dezember 2019]).
DANICA KIRKA: Leaked Report on Russian Interference in Brexit Vote Raises Questions Ahead of U.K. Elections. In: TIME. New York 17. November 2019 (archive.org).
Michael Schwirtz: Top Secret Russian Unit Seeks to Destabilize Europe, Security Officials Say. In: The New York Times. 8. Oktober 2019, ISSN0362-4331 (nytimes.com [abgerufen am 11. Dezember 2019]).