| APA | SDDL. (2012, February 15). In Acronym Geek. Retrieved 21:40, February 15, 2012, from http://www.acronymgeek.com/SDDL |
| MLA | "SDDL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SDDL>. |
| MHRA | 'SDDL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SDDL> [accessed 15 February 2012] |
| Chicago | "SDDL", http://www.acronymgeek.com/SDDL (accessed February 15, 2012). |
| CBE/CSE | SDDL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SDDL. |
| Bluebook | SDDL, http://www.acronymgeek.com/SDDL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SDDL, http://www.acronymgeek.com/SDDL (optional description here) (as of Feb. 15, 2012, 21:40). |
| AMA | SDDL. Acronym Geek. February 15, 2012, 21:40. Available at: http://www.acronymgeek.com/SDDL. Accessed February 15, 2012, 21:40. |