| APA | NBBU. (2012, February 17). In Acronym Geek. Retrieved 00:55, February 17, 2012, from http://www.acronymgeek.com/NBBU |
| MLA | "NBBU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NBBU>. |
| MHRA | 'NBBU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NBBU> [accessed 17 February 2012] |
| Chicago | "NBBU", http://www.acronymgeek.com/NBBU (accessed February 17, 2012). |
| CBE/CSE | NBBU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NBBU. |
| Bluebook | NBBU, http://www.acronymgeek.com/NBBU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBBU, http://www.acronymgeek.com/NBBU (optional description here) (as of Feb. 17, 2012, 00:55). |
| AMA | NBBU. Acronym Geek. February 17, 2012, 00:55. Available at: http://www.acronymgeek.com/NBBU. Accessed February 17, 2012, 00:55. |