Farber, Jim (January 21, 2021). "The Process of Belief". Entertainment Weekly. Archived from the original on December 15, 2017. Retrieved February 25, 2021.
Hiller, Joachim (December 2001 – February 2002). "Bad Religion". Ox-Fanzine (in German). Archived from the original on February 26, 2021. Retrieved February 26, 2021.
Carman, Keith (July 19, 2002). "Bad Religion: The Process Of Labels". Chart Attack. Archived from the original on February 19, 2006. Retrieved February 26, 2021.{{cite web}}: CS1 maint: unfit URL (link)
White, Adam (January 23, 2001). "Mr Brett is Back… Almost". Punknews.org. Archived from the original on February 8, 2021. Retrieved February 8, 2021.
White, Adam (April 14, 2002). "Back to the Known". Punknews.org. Archived from the original on July 29, 2019. Retrieved February 25, 2021.
Hiller, Joachim (December 2001 – February 2002). "Bad Religion". Ox-Fanzine (in German). Archived from the original on February 26, 2021. Retrieved February 26, 2021.
Farber, Jim (January 21, 2021). "The Process of Belief". Entertainment Weekly. Archived from the original on December 15, 2017. Retrieved February 25, 2021.