| APA | D4PL. (2012, February 12). In Acronym Geek. Retrieved 00:31, February 12, 2012, from http://www.acronymgeek.com/D4PL |
| MLA | "D4PL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/D4PL>. |
| MHRA | 'D4PL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/D4PL> [accessed 12 February 2012] |
| Chicago | "D4PL", http://www.acronymgeek.com/D4PL (accessed February 12, 2012). |
| CBE/CSE | D4PL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/D4PL. |
| Bluebook | D4PL, http://www.acronymgeek.com/D4PL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, D4PL, http://www.acronymgeek.com/D4PL (optional description here) (as of Feb. 12, 2012, 00:31). |
| AMA | D4PL. Acronym Geek. February 12, 2012, 00:31. Available at: http://www.acronymgeek.com/D4PL. Accessed February 12, 2012, 00:31. |