APA-referens (7:e uppl.)
ebrary, Inc, O'Neil, D., & Wilson, L. (2008). Batman unauthorized: Vigilantes, jokers, and heroes in Gotham City. BenBella Books ; Distributed by Independent Publishers Group.
Chicago-referens (17:e uppl.)
ebrary, Inc, Dennis O'Neil, och Leah Wilson. Batman Unauthorized: Vigilantes, Jokers, and Heroes in Gotham City. Dallas, Tex. : [Chicago, IL]: BenBella Books ; Distributed by Independent Publishers Group, 2008.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Batman Unauthorized: Vigilantes, Jokers, and Heroes in Gotham City. BenBella Books ; Distributed by Independent Publishers Group, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.