| APA | PLAO. (2012, February 16). In Acronym Geek. Retrieved 20:29, February 16, 2012, from http://www.acronymgeek.com/PLAO |
| MLA | "PLAO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PLAO>. |
| MHRA | 'PLAO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PLAO> [accessed 16 February 2012] |
| Chicago | "PLAO", http://www.acronymgeek.com/PLAO (accessed February 16, 2012). |
| CBE/CSE | PLAO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PLAO. |
| Bluebook | PLAO, http://www.acronymgeek.com/PLAO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PLAO, http://www.acronymgeek.com/PLAO (optional description here) (as of Feb. 16, 2012, 20:29). |
| AMA | PLAO. Acronym Geek. February 16, 2012, 20:29. Available at: http://www.acronymgeek.com/PLAO. Accessed February 16, 2012, 20:29. |