1. Bennett, C. H., Ming, L., & Bin, M. (2003). Chain letters & evolutionary histories. Scientific American, 288(60), 76–81.
2. CBS News. (2019). Kim Kardashian warns parents of “Momo Challenge” but YouTube says it sees no evidence. Available online from
https://www.cbsnews.com/news/kim-kardashian-warns-parents-of-momo-challenge-youtube-take-action/
.
3. Chess, S., & Newsom, E. (2014). Folklore, horror stories, and the Slender Man: The development of an Internet mythology. London: Palgrave Macmillan.
4. Cohen, S. (2002). Folk devils and moral panics (3rd ed.). London: Routledge.
5. Daily Mail. (2017). Facebook game linked to 130 teen deaths in Russia is heading to the UK. Available online from
https://www.dailymail.co.uk/news/article-4446556/Police-warn-Blue-Whale-suicide-game-heading-UK.html
.