Stay, Jesse; Stay, Thomas; Cordeiro, Jacob (2015). Minecraft For Dummies. John Wiley & Sons, Inc. p. 287, Chapter 16: Understanding the Minecraft Game Modes. ISBN9781118968239.
Parker, Rob (1 June 2017). "The culture of permadeath: Roguelikes and Terror Management Theory". Journal of Gaming & Virtual Worlds. 9 (2): 123–141. doi:10.1386/jgvw.9.2.123_1.
"Dr. Bartle finally interrupted the conversation by trying to bring the conversation back to a player's perspective: 'Do you want permadeath or pedophilia? Both seem equally attractive to most players.'" Woleslagle, Jeff. "Slaughtering Sacred Cows". Archived from the original on 6 January 2008. Retrieved 26 May 2007. (Quote is on second pageArchived 20 November 2007 at the Wayback Machine)
"Dr. Bartle finally interrupted the conversation by trying to bring the conversation back to a player's perspective: 'Do you want permadeath or pedophilia? Both seem equally attractive to most players.'" Woleslagle, Jeff. "Slaughtering Sacred Cows". Archived from the original on 6 January 2008. Retrieved 26 May 2007. (Quote is on second pageArchived 20 November 2007 at the Wayback Machine)