"South Park on Comedy Central". The Worst Cable Content of the Week. Parents Television Council. March 20, 2009. Archived from the original on March 30, 2009. Retrieved March 25, 2009.
"South Park on Comedy Central". The Worst Cable Content of the Week. Parents Television Council. March 20, 2009. Archived from the original on March 30, 2009. Retrieved March 25, 2009.