| APA | PNVB. (2012, February 15). In Acronym Geek. Retrieved 22:49, February 15, 2012, from http://www.acronymgeek.com/PNVB |
| MLA | "PNVB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PNVB>. |
| MHRA | 'PNVB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PNVB> [accessed 15 February 2012] |
| Chicago | "PNVB", http://www.acronymgeek.com/PNVB (accessed February 15, 2012). |
| CBE/CSE | PNVB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PNVB. |
| Bluebook | PNVB, http://www.acronymgeek.com/PNVB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNVB, http://www.acronymgeek.com/PNVB (optional description here) (as of Feb. 15, 2012, 22:49). |
| AMA | PNVB. Acronym Geek. February 15, 2012, 22:49. Available at: http://www.acronymgeek.com/PNVB. Accessed February 15, 2012, 22:49. |