Lim, T; Louchart, S; Suttie, N; Ritchie, J.M.; Aylett, R.S.; Stanescu, I.A.; et al. (2013). "Strategies for Effective Digital Games Development and Implementation". Cases on Digital Game-Based Learning. 12. IGI Global: 168–198. doi:10.4018/978-1-4666-2848-9.ch010. ISBN9781466628489.
"Beowulf: The Legend DESCRIPTION". Fantasy Flight Games. Archived from the original on 15 December 2010. Retrieved 20 May 2010. "the player who took the risk instead takes a "scratch," a minor wound that has the strong potential to ultimately undermine the player's chances of success. These frequent risks are remarkably nerve-racking"
"Beowulf: The Legend DESCRIPTION". Fantasy Flight Games. Archived from the original on 15 December 2010. Retrieved 20 May 2010. "the player who took the risk instead takes a "scratch," a minor wound that has the strong potential to ultimately undermine the player's chances of success. These frequent risks are remarkably nerve-racking"
