| APA | AOBU. (2012, February 14). In Acronym Geek. Retrieved 22:49, February 14, 2012, from http://www.acronymgeek.com/AOBU |
| MLA | "AOBU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/AOBU>. |
| MHRA | 'AOBU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/AOBU> [accessed 14 February 2012] |
| Chicago | "AOBU", http://www.acronymgeek.com/AOBU (accessed February 14, 2012). |
| CBE/CSE | AOBU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/AOBU. |
| Bluebook | AOBU, http://www.acronymgeek.com/AOBU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AOBU, http://www.acronymgeek.com/AOBU (optional description here) (as of Feb. 14, 2012, 22:49). |
| AMA | AOBU. Acronym Geek. February 14, 2012, 22:49. Available at: http://www.acronymgeek.com/AOBU. Accessed February 14, 2012, 22:49. |