Sautter, A., & Levins, T. (2015). How to draw the Joker, Lex Luthor, and other DC super-villains. Capstone Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSautter, Aaron, और Tim Levins. How to Draw the Joker, Lex Luthor, and Other DC Super-villains. North Mankato, Minnesota: Capstone Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSautter, Aaron, और Tim Levins. How to Draw the Joker, Lex Luthor, and Other DC Super-villains. Capstone Press, 2015.
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