| APA | PNLB. (2012, February 15). In Acronym Geek. Retrieved 02:24, February 15, 2012, from http://www.acronymgeek.com/PNLB |
| MLA | "PNLB." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PNLB>. |
| MHRA | 'PNLB', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PNLB> [accessed 15 February 2012] |
| Chicago | "PNLB", http://www.acronymgeek.com/PNLB (accessed February 15, 2012). |
| CBE/CSE | PNLB [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PNLB. |
| Bluebook | PNLB, http://www.acronymgeek.com/PNLB (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNLB, http://www.acronymgeek.com/PNLB (optional description here) (as of Feb. 15, 2012, 02:24). |
| AMA | PNLB. Acronym Geek. February 15, 2012, 02:24. Available at: http://www.acronymgeek.com/PNLB. Accessed February 15, 2012, 02:24. |