| APA | NNFZ. (2012, February 15). In Acronym Geek. Retrieved 20:43, February 15, 2012, from http://www.acronymgeek.com/NNFZ |
| MLA | "NNFZ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NNFZ>. |
| MHRA | 'NNFZ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NNFZ> [accessed 15 February 2012] |
| Chicago | "NNFZ", http://www.acronymgeek.com/NNFZ (accessed February 15, 2012). |
| CBE/CSE | NNFZ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NNFZ. |
| Bluebook | NNFZ, http://www.acronymgeek.com/NNFZ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNFZ, http://www.acronymgeek.com/NNFZ (optional description here) (as of Feb. 15, 2012, 20:43). |
| AMA | NNFZ. Acronym Geek. February 15, 2012, 20:43. Available at: http://www.acronymgeek.com/NNFZ. Accessed February 15, 2012, 20:43. |