Waskul, Dennis; Lust, Matt (2004). “Role-Playing and Playing Roles: The Person, Player, and Persona in Fantasy Role-Playing”. 《Symbolic Interaction》 (영어) 27 (3): 333–356. doi:10.1525/si.2004.27.3.333. ISSN1533-8665.
"Frankly, the difference in sales between Wizards and all other producers of roleplaying games is so staggering that even saying there is an 'RPG industry' at all may be generous." Cook, Monte. “The Open Game License as I See It – Part II”. 2006년 3월 28일에 원본 문서에서 보존된 문서. 2019년 5월 28일에 확인함.
"Frankly, the difference in sales between Wizards and all other producers of roleplaying games is so staggering that even saying there is an 'RPG industry' at all may be generous." Cook, Monte. “The Open Game License as I See It – Part II”. 2006년 3월 28일에 원본 문서에서 보존된 문서. 2019년 5월 28일에 확인함.
Waskul, Dennis; Lust, Matt (2004). “Role-Playing and Playing Roles: The Person, Player, and Persona in Fantasy Role-Playing”. 《Symbolic Interaction》 (영어) 27 (3): 333–356. doi:10.1525/si.2004.27.3.333. ISSN1533-8665.
Slavicsek, Bill; Baker, Richard W. (2005). 《Dungeons and Dragons for Dummies》. Hoboken, N.J.: Wiley. 268, 293, 363쪽. ISBN0-7645-8459-6. OCLC57574631.
Rouchart, Sandy; Aylett, Ruth (2003). 〈Solving the Narrative Paradox in VEs — Lessons from RPGs〉. 《Intelligent Virtual Agents: 4th International Workshop》. Berlin: Springer. 245–246쪽. ISBN978-3-540-39396-2. OCLC166468859.
Carbonell, Curtis D. (2019). 〈Chapter 3: Dungeons and Dragons Multiverse〉. 《Dread Trident: Tabletop Role-Playing Games and the Modern Fantastic》. Liverpool: Oxford University Press. 80–108쪽. ISBN978-1-78962-468-7. OCLC1129971339.