| APA | NBBL. (2012, February 17). In Acronym Geek. Retrieved 02:39, February 17, 2012, from http://www.acronymgeek.com/NBBL |
| MLA | "NBBL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NBBL>. |
| MHRA | 'NBBL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NBBL> [accessed 17 February 2012] |
| Chicago | "NBBL", http://www.acronymgeek.com/NBBL (accessed February 17, 2012). |
| CBE/CSE | NBBL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NBBL. |
| Bluebook | NBBL, http://www.acronymgeek.com/NBBL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBBL, http://www.acronymgeek.com/NBBL (optional description here) (as of Feb. 17, 2012, 02:39). |
| AMA | NBBL. Acronym Geek. February 17, 2012, 02:39. Available at: http://www.acronymgeek.com/NBBL. Accessed February 17, 2012, 02:39. |