| APA | PNPL. (2012, February 16). In Acronym Geek. Retrieved 05:06, February 16, 2012, from http://www.acronymgeek.com/PNPL |
| MLA | "PNPL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PNPL>. |
| MHRA | 'PNPL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PNPL> [accessed 16 February 2012] |
| Chicago | "PNPL", http://www.acronymgeek.com/PNPL (accessed February 16, 2012). |
| CBE/CSE | PNPL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PNPL. |
| Bluebook | PNPL, http://www.acronymgeek.com/PNPL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNPL, http://www.acronymgeek.com/PNPL (optional description here) (as of Feb. 16, 2012, 05:06). |
| AMA | PNPL. Acronym Geek. February 16, 2012, 05:06. Available at: http://www.acronymgeek.com/PNPL. Accessed February 16, 2012, 05:06. |