| Type |  Visual |
| ชื่อเรื่อง | 21 [videorecording] / Columbia Pictures presents in association with Relativity Media, a Trigger Street/Michael De Luca production ; produced by Dana Brunetti, Kevin Spacey, Michael De Luca ; screenplay by Peter Steinfeld and Allan Loeb ; directed by Robert Luketic |
| พิมพลักษณ์ | Culver City, Calif. : Sony Pictures Home Entertainment, c2008 |
| รูปเล่ม | 1 videodisc (123 min.) : sd., col. ; 4 3/4 in |
| หัวเรื่อง | Card counting --Nevada --Las Vegas --Drama [] |
| | Blackjack (Game) --Drama [] |
| | Casinos --Nevada --Las Vegas --Drama [] |
| | College students --Conduct of life --Drama [] |
| | College teachers --Massachusetts --Drama [] |