| APA | DUOB. (2012, February 15). In Acronym Geek. Retrieved 20:18, February 15, 2012, from http://www.acronymgeek.com/DUOB |
| MLA | "DUOB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DUOB>. |
| MHRA | 'DUOB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DUOB> [accessed 15 February 2012] |
| Chicago | "DUOB", http://www.acronymgeek.com/DUOB (accessed February 15, 2012). |
| CBE/CSE | DUOB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DUOB. |
| Bluebook | DUOB, http://www.acronymgeek.com/DUOB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUOB, http://www.acronymgeek.com/DUOB (optional description here) (as of Feb. 15, 2012, 20:18). |
| AMA | DUOB. Acronym Geek. February 15, 2012, 20:18. Available at: http://www.acronymgeek.com/DUOB. Accessed February 15, 2012, 20:18. |