| APA | NNNI. (2012, February 17). In Acronym Geek. Retrieved 05:37, February 17, 2012, from http://www.acronymgeek.com/NNNI |
| MLA | "NNNI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NNNI>. |
| MHRA | 'NNNI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NNNI> [accessed 17 February 2012] |
| Chicago | "NNNI", http://www.acronymgeek.com/NNNI (accessed February 17, 2012). |
| CBE/CSE | NNNI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NNNI. |
| Bluebook | NNNI, http://www.acronymgeek.com/NNNI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNNI, http://www.acronymgeek.com/NNNI (optional description here) (as of Feb. 17, 2012, 05:37). |
| AMA | NNNI. Acronym Geek. February 17, 2012, 05:37. Available at: http://www.acronymgeek.com/NNNI. Accessed February 17, 2012, 05:37. |