| APA | NBBK. (2012, February 15). In Acronym Geek. Retrieved 23:21, February 15, 2012, from http://www.acronymgeek.com/NBBK |
| MLA | "NBBK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NBBK>. |
| MHRA | 'NBBK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NBBK> [accessed 15 February 2012] |
| Chicago | "NBBK", http://www.acronymgeek.com/NBBK (accessed February 15, 2012). |
| CBE/CSE | NBBK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NBBK. |
| Bluebook | NBBK, http://www.acronymgeek.com/NBBK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBBK, http://www.acronymgeek.com/NBBK (optional description here) (as of Feb. 15, 2012, 23:21). |
| AMA | NBBK. Acronym Geek. February 15, 2012, 23:21. Available at: http://www.acronymgeek.com/NBBK. Accessed February 15, 2012, 23:21. |