| APA | LHDD. (2012, February 16). In Acronym Geek. Retrieved 20:14, February 16, 2012, from http://www.acronymgeek.com/LHDD |
| MLA | "LHDD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LHDD>. |
| MHRA | 'LHDD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LHDD> [accessed 16 February 2012] |
| Chicago | "LHDD", http://www.acronymgeek.com/LHDD (accessed February 16, 2012). |
| CBE/CSE | LHDD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LHDD. |
| Bluebook | LHDD, http://www.acronymgeek.com/LHDD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LHDD, http://www.acronymgeek.com/LHDD (optional description here) (as of Feb. 16, 2012, 20:14). |
| AMA | LHDD. Acronym Geek. February 16, 2012, 20:14. Available at: http://www.acronymgeek.com/LHDD. Accessed February 16, 2012, 20:14. |