| APA | PNBB. (2012, February 15). In Acronym Geek. Retrieved 02:34, February 15, 2012, from http://www.acronymgeek.com/PNBB |
| MLA | "PNBB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PNBB>. |
| MHRA | 'PNBB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PNBB> [accessed 15 February 2012] |
| Chicago | "PNBB", http://www.acronymgeek.com/PNBB (accessed February 15, 2012). |
| CBE/CSE | PNBB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PNBB. |
| Bluebook | PNBB, http://www.acronymgeek.com/PNBB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNBB, http://www.acronymgeek.com/PNBB (optional description here) (as of Feb. 15, 2012, 02:34). |
| AMA | PNBB. Acronym Geek. February 15, 2012, 02:34. Available at: http://www.acronymgeek.com/PNBB. Accessed February 15, 2012, 02:34. |