| APA | UBDI. (2012, February 17). In Acronym Geek. Retrieved 02:07, February 17, 2012, from http://www.acronymgeek.com/UBDI |
| MLA | "UBDI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/UBDI>. |
| MHRA | 'UBDI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/UBDI> [accessed 17 February 2012] |
| Chicago | "UBDI", http://www.acronymgeek.com/UBDI (accessed February 17, 2012). |
| CBE/CSE | UBDI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/UBDI. |
| Bluebook | UBDI, http://www.acronymgeek.com/UBDI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UBDI, http://www.acronymgeek.com/UBDI (optional description here) (as of Feb. 17, 2012, 02:07). |
| AMA | UBDI. Acronym Geek. February 17, 2012, 02:07. Available at: http://www.acronymgeek.com/UBDI. Accessed February 17, 2012, 02:07. |