| APA | SLD. (2012, February 9). In Acronym Geek. Retrieved 19:00, February 9, 2012, from http://www.acronymgeek.com/SLD |
| MLA | "SLD." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/SLD>. |
| MHRA | 'SLD', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/SLD> [accessed 9 February 2012] |
| Chicago | "SLD", http://www.acronymgeek.com/SLD (accessed February 9, 2012). |
| CBE/CSE | SLD [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/SLD. |
| Bluebook | SLD, http://www.acronymgeek.com/SLD (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SLD, http://www.acronymgeek.com/SLD (optional description here) (as of Feb. 9, 2012, 19:00). |
| AMA | SLD. Acronym Geek. February 9, 2012, 19:00. Available at: http://www.acronymgeek.com/SLD. Accessed February 9, 2012, 19:00. |