| APA | NNPF. (2012, February 15). In Acronym Geek. Retrieved 19:16, February 15, 2012, from http://www.acronymgeek.com/NNPF |
| MLA | "NNPF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NNPF>. |
| MHRA | 'NNPF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NNPF> [accessed 15 February 2012] |
| Chicago | "NNPF", http://www.acronymgeek.com/NNPF (accessed February 15, 2012). |
| CBE/CSE | NNPF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NNPF. |
| Bluebook | NNPF, http://www.acronymgeek.com/NNPF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNPF, http://www.acronymgeek.com/NNPF (optional description here) (as of Feb. 15, 2012, 19:16). |
| AMA | NNPF. Acronym Geek. February 15, 2012, 19:16. Available at: http://www.acronymgeek.com/NNPF. Accessed February 15, 2012, 19:16. |