| APA | BLDU. (2012, February 15). In Acronym Geek. Retrieved 18:25, February 15, 2012, from http://www.acronymgeek.com/BLDU |
| MLA | "BLDU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/BLDU>. |
| MHRA | 'BLDU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/BLDU> [accessed 15 February 2012] |
| Chicago | "BLDU", http://www.acronymgeek.com/BLDU (accessed February 15, 2012). |
| CBE/CSE | BLDU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/BLDU. |
| Bluebook | BLDU, http://www.acronymgeek.com/BLDU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BLDU, http://www.acronymgeek.com/BLDU (optional description here) (as of Feb. 15, 2012, 18:25). |
| AMA | BLDU. Acronym Geek. February 15, 2012, 18:25. Available at: http://www.acronymgeek.com/BLDU. Accessed February 15, 2012, 18:25. |