1. Anderson, Laurie Halse. (1999). Speak. New York: Farrar Straus Giroux.
2. Anderson, Laurie Halse, and Carroll, Emily. (2018). Speak: The Graphic Novel. New York: Farrar Straus Giroux.
3. Anderson, Laurie Halse, and Carroll, Emily. (2018). Interview by Ashley Ford. Accessed December 8, 2020 from https://www.youtube.com/watch?v=YIW2rCgiol8.
4. Bang, Molly. (2000). Picture This: How Pictures Work. San Francisco: Chronicle Books.
5. Frank, Anne, and Polonsky, David. (2018). Anne Frank’s Diary: The Graphic Adaptation. New York: Pantheon Graphic Library.