| APA | NPPB. (2012, February 16). In Acronym Geek. Retrieved 08:39, February 16, 2012, from http://www.acronymgeek.com/NPPB |
| MLA | "NPPB." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NPPB>. |
| MHRA | 'NPPB', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NPPB> [accessed 16 February 2012] |
| Chicago | "NPPB", http://www.acronymgeek.com/NPPB (accessed February 16, 2012). |
| CBE/CSE | NPPB [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NPPB. |
| Bluebook | NPPB, http://www.acronymgeek.com/NPPB (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPPB, http://www.acronymgeek.com/NPPB (optional description here) (as of Feb. 16, 2012, 08:39). |
| AMA | NPPB. Acronym Geek. February 16, 2012, 08:39. Available at: http://www.acronymgeek.com/NPPB. Accessed February 16, 2012, 08:39. |