^Nicolas Cage joins movie adaptation of 'Jiu Jitsu'. Calgary Herald. 2019-03-21 [2020-09-18]. (原始内容于2020-10-07).
^Fisher, Kieran. Nicolas Cage Will Use ‘Jiu Jitsu’ To Fight Aliens. Film School Rejects. 2019-03-22 [2020-09-18]. (原始内容于2019-04-05).
^Sprague, Mike. Nicolas Cage Will Fight Aliens in Crazy Action Thriller Jiu Jitsu. MovieWeb. 2019-03-20 [2020-09-18]. (原始内容于2020-06-18).
^Hamman, Cody. NICOLAS CAGE SIGNS ON FOR SCI-FI MARTIAL ARTS FILM JIU JITSU. JoBlo.com. 2019-03-20 [2020-09-18]. (原始内容于2019-03-21).
^McNary, Dave. Nicolas Cage to Star in Martial Arts Actioner ‘Jiu Jitsu’. Variety. 2019-03-19 [2020-09-18]. (原始内容于2020-04-25).
^Rothberg, Suzanne. Nicolas Cage will kick some serious ass in the new martial arts film ‘Jiu-Jitsu’. Screen Anarchy. 2019-03-25 [2020-09-18]. (原始内容于2019-03-26).
^Vorel, Jim. Nic Cage to Fight Aliens with His Bare Hands in Jiu Jitsu. Paste. 2019-03-20 [2020-09-18]. (原始内容于2020-10-07).
^Beans, Freddy. Nicolas Cage gets wrapped up in JIU JITSU. Ain't It Cool News. 2019-03-20 [2020-09-18]. (原始内容于2019-03-21).
^Pedersen, Erik. ‘Jiu Jitsu’: Frank Grillo, Rick Yune, Tony Jaa & Others Joins Nicolas Cage Martial Arts Pic. Deadline Hollywood. 2019-06-06 [2020-09-18]. (原始内容于2020-08-16).
^Associated Press. 'Jiu Jitsu' producer says film 'make-or-break' for Cyprus. ABC News. 2019-06-29 [2020-09-18]. (原始内容于2019-06-30).
^McNary, Dave. Avenue Entertainment Launching With Nicolas Cage’s ‘Jiu Jitsu’. Variety. 2020-09-09 [2020-09-18]. (原始内容于2020-09-11).