| APA | FBDU. (2012, February 16). In Acronym Geek. Retrieved 19:28, February 16, 2012, from http://www.acronymgeek.com/FBDU |
| MLA | "FBDU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FBDU>. |
| MHRA | 'FBDU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FBDU> [accessed 16 February 2012] |
| Chicago | "FBDU", http://www.acronymgeek.com/FBDU (accessed February 16, 2012). |
| CBE/CSE | FBDU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FBDU. |
| Bluebook | FBDU, http://www.acronymgeek.com/FBDU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FBDU, http://www.acronymgeek.com/FBDU (optional description here) (as of Feb. 16, 2012, 19:28). |
| AMA | FBDU. Acronym Geek. February 16, 2012, 19:28. Available at: http://www.acronymgeek.com/FBDU. Accessed February 16, 2012, 19:28. |