| APA | LDOP. (2012, February 17). In Acronym Geek. Retrieved 04:35, February 17, 2012, from http://www.acronymgeek.com/LDOP |
| MLA | "LDOP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/LDOP>. |
| MHRA | 'LDOP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/LDOP> [accessed 17 February 2012] |
| Chicago | "LDOP", http://www.acronymgeek.com/LDOP (accessed February 17, 2012). |
| CBE/CSE | LDOP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/LDOP. |
| Bluebook | LDOP, http://www.acronymgeek.com/LDOP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDOP, http://www.acronymgeek.com/LDOP (optional description here) (as of Feb. 17, 2012, 04:35). |
| AMA | LDOP. Acronym Geek. February 17, 2012, 04:35. Available at: http://www.acronymgeek.com/LDOP. Accessed February 17, 2012, 04:35. |