| APA | NNRI. (2012, February 17). In Acronym Geek. Retrieved 00:04, February 17, 2012, from http://www.acronymgeek.com/NNRI |
| MLA | "NNRI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NNRI>. |
| MHRA | 'NNRI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NNRI> [accessed 17 February 2012] |
| Chicago | "NNRI", http://www.acronymgeek.com/NNRI (accessed February 17, 2012). |
| CBE/CSE | NNRI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NNRI. |
| Bluebook | NNRI, http://www.acronymgeek.com/NNRI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNRI, http://www.acronymgeek.com/NNRI (optional description here) (as of Feb. 17, 2012, 00:04). |
| AMA | NNRI. Acronym Geek. February 17, 2012, 00:04. Available at: http://www.acronymgeek.com/NNRI. Accessed February 17, 2012, 00:04. |