| APA | NNB. (2012, February 14). In Acronym Geek. Retrieved 19:23, February 14, 2012, from http://www.acronymgeek.com/NNB |
| MLA | "NNB." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NNB>. |
| MHRA | 'NNB', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NNB> [accessed 14 February 2012] |
| Chicago | "NNB", http://www.acronymgeek.com/NNB (accessed February 14, 2012). |
| CBE/CSE | NNB [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NNB. |
| Bluebook | NNB, http://www.acronymgeek.com/NNB (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNB, http://www.acronymgeek.com/NNB (optional description here) (as of Feb. 14, 2012, 19:23). |
| AMA | NNB. Acronym Geek. February 14, 2012, 19:23. Available at: http://www.acronymgeek.com/NNB. Accessed February 14, 2012, 19:23. |