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Dini, Paul, and Guillem March. Gotham City Sirens. New York: DC Comics, 2010. Print. 

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Madrid, Mike. The Supergirls: Fashion, Feminism, Fantasy, and the History of Comic Book Heroines. Ashland, OR: Exterminating Angel Press, 2009. eBook Academic Collection (EBSCOhost). Web. 7 Nov. 2016.

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Pennell, Hillary, and Elizabeth Behm-Morawitz. "The Empowering (Super) Heroine? The Effects Of Sexualized Female Characters In Superhero Films On Women." Sex Roles 72.5-6 (2015): 211-220. Academic Search Complete. Web. 7 Nov. 2016.