| APA | NRPU. (2012, February 14). In Acronym Geek. Retrieved 15:09, February 14, 2012, from http://www.acronymgeek.com/NRPU |
| MLA | "NRPU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NRPU>. |
| MHRA | 'NRPU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NRPU> [accessed 14 February 2012] |
| Chicago | "NRPU", http://www.acronymgeek.com/NRPU (accessed February 14, 2012). |
| CBE/CSE | NRPU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NRPU. |
| Bluebook | NRPU, http://www.acronymgeek.com/NRPU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NRPU, http://www.acronymgeek.com/NRPU (optional description here) (as of Feb. 14, 2012, 15:09). |
| AMA | NRPU. Acronym Geek. February 14, 2012, 15:09. Available at: http://www.acronymgeek.com/NRPU. Accessed February 14, 2012, 15:09. |