4Adele Slaughter & Jeff Kober. Art That Pays. Los Angeles, CA: National Network for Artist Placement, NNAP, 2004: 23.
5Megan Mullen, The Simpsons and Hanna-Barbera' s Animation Legacy. Leaving Springfield, Edited by John Alberti, Wayne State University Press, 2004: 63.
6Carl Matheson, The Simpsons, Hyper-Irony, and the Meaning of Life, The Simpsons and Philosophy: The D' oh! of Homer, Chicago: Open Court, 2001.
7David L.G. Arnold. Use a Pen, Sideshow Bob: The Simpsons and the Threat of High Culture, Leaving Springfield, Edited by John Alberti, Wayne State University Press, 2004: 25.
