| APA | NPNH. (2012, February 16). In Acronym Geek. Retrieved 07:10, February 16, 2012, from http://www.acronymgeek.com/NPNH |
| MLA | "NPNH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NPNH>. |
| MHRA | 'NPNH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NPNH> [accessed 16 February 2012] |
| Chicago | "NPNH", http://www.acronymgeek.com/NPNH (accessed February 16, 2012). |
| CBE/CSE | NPNH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NPNH. |
| Bluebook | NPNH, http://www.acronymgeek.com/NPNH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPNH, http://www.acronymgeek.com/NPNH (optional description here) (as of Feb. 16, 2012, 07:10). |
| AMA | NPNH. Acronym Geek. February 16, 2012, 07:10. Available at: http://www.acronymgeek.com/NPNH. Accessed February 16, 2012, 07:10. |