| APA | NBK. (2012, February 14). In Acronym Geek. Retrieved 10:07, February 14, 2012, from http://www.acronymgeek.com/NBK |
| MLA | "NBK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NBK>. |
| MHRA | 'NBK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NBK> [accessed 14 February 2012] |
| Chicago | "NBK", http://www.acronymgeek.com/NBK (accessed February 14, 2012). |
| CBE/CSE | NBK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NBK. |
| Bluebook | NBK, http://www.acronymgeek.com/NBK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBK, http://www.acronymgeek.com/NBK (optional description here) (as of Feb. 14, 2012, 10:07). |
| AMA | NBK. Acronym Geek. February 14, 2012, 10:07. Available at: http://www.acronymgeek.com/NBK. Accessed February 14, 2012, 10:07. |