(en) Mark Pinsky, The Gospel According to the Simpsons. Bigger and possibly even Better! edition, Louisville, Gardners Books, , 2e éd., 317 p. (ISBN978-0-664-23265-8, LCCN2007006909), p. 229-235
(en) Chris Turner, Planet Simpson : How a Cartoon Masterpiece Documented an Era and Defined a Generation, Cambridge, Da Capo Press, , 1re éd., 450 p., poche (ISBN978-0-306-81448-8, LCCN2004351662), p. 269