| APA | PLDL. (2012, February 17). In Acronym Geek. Retrieved 03:12, February 17, 2012, from http://www.acronymgeek.com/PLDL |
| MLA | "PLDL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PLDL>. |
| MHRA | 'PLDL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PLDL> [accessed 17 February 2012] |
| Chicago | "PLDL", http://www.acronymgeek.com/PLDL (accessed February 17, 2012). |
| CBE/CSE | PLDL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PLDL. |
| Bluebook | PLDL, http://www.acronymgeek.com/PLDL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PLDL, http://www.acronymgeek.com/PLDL (optional description here) (as of Feb. 17, 2012, 03:12). |
| AMA | PLDL. Acronym Geek. February 17, 2012, 03:12. Available at: http://www.acronymgeek.com/PLDL. Accessed February 17, 2012, 03:12. |