| APA | PNBW. (2012, February 16). In Acronym Geek. Retrieved 04:24, February 16, 2012, from http://www.acronymgeek.com/PNBW |
| MLA | "PNBW." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PNBW>. |
| MHRA | 'PNBW', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PNBW> [accessed 16 February 2012] |
| Chicago | "PNBW", http://www.acronymgeek.com/PNBW (accessed February 16, 2012). |
| CBE/CSE | PNBW [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PNBW. |
| Bluebook | PNBW, http://www.acronymgeek.com/PNBW (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNBW, http://www.acronymgeek.com/PNBW (optional description here) (as of Feb. 16, 2012, 04:24). |
| AMA | PNBW. Acronym Geek. February 16, 2012, 04:24. Available at: http://www.acronymgeek.com/PNBW. Accessed February 16, 2012, 04:24. |