| Type |  Visual |
| ชื่อเรื่อง | Never back down [videorecording] / Mandalay Pictures ; Summit Entertainment presents a Mandalay Independent Pictures and BMP, Inc. production ; produced by Craig Baumgarten, David Zelon ; written by Chris Hauty ; directed by Jeff Wadlow |
| พิมพลักษณ์ | Universal City, CA : Summit Entertainment, [2008] |
| รูปเล่ม | 1 videodisc (113 min.) : sd., col. ; 4 3/4 in |
| หัวเรื่อง | Mixed martial arts --United States --Drama [] |
| | Teenagers --Conduct of life --Drama [] |
| | Threats of violence --United States --Drama [] |