| APA | LDO. (2012, February 14). In Acronym Geek. Retrieved 06:34, February 14, 2012, from http://www.acronymgeek.com/LDO |
| MLA | "LDO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/LDO>. |
| MHRA | 'LDO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/LDO> [accessed 14 February 2012] |
| Chicago | "LDO", http://www.acronymgeek.com/LDO (accessed February 14, 2012). |
| CBE/CSE | LDO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/LDO. |
| Bluebook | LDO, http://www.acronymgeek.com/LDO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDO, http://www.acronymgeek.com/LDO (optional description here) (as of Feb. 14, 2012, 06:34). |
| AMA | LDO. Acronym Geek. February 14, 2012, 06:34. Available at: http://www.acronymgeek.com/LDO. Accessed February 14, 2012, 06:34. |