Smolka, Rob (July 2001). "X-COM Enforcer". PC Gamer. Vol. 8, no. 7. Imagine Media. p. 73. Archived from the original on March 15, 2006. Retrieved September 7, 2021.
Eccles, Allen (May 9, 2001). "X-COM: ENFORCER". GameSpy. IGN Entertainment. Archived from the original on February 11, 2005. Retrieved September 8, 2021.
Eccles, Allen (May 9, 2001). "X-COM: ENFORCER". GameSpy. IGN Entertainment. Archived from the original on February 11, 2005. Retrieved September 8, 2021.
Smolka, Rob (July 2001). "X-COM Enforcer". PC Gamer. Vol. 8, no. 7. Imagine Media. p. 73. Archived from the original on March 15, 2006. Retrieved September 7, 2021.