Amster, Harry (November 28, 2007). "Seinfelds skämt blev film" [Seinfeld's joke became a movie]. Svenska Dagbladet (in Swedish). Schibsted. Archived from the original on March 16, 2016. Retrieved March 18, 2008.
Amster, Harry (November 28, 2007). "Seinfelds skämt blev film" [Seinfeld's joke became a movie]. Svenska Dagbladet (in Swedish). Schibsted. Archived from the original on March 16, 2016. Retrieved March 18, 2008.