| APA | SDLO. (2012, February 16). In Acronym Geek. Retrieved 07:04, February 16, 2012, from http://www.acronymgeek.com/SDLO |
| MLA | "SDLO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SDLO>. |
| MHRA | 'SDLO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SDLO> [accessed 16 February 2012] |
| Chicago | "SDLO", http://www.acronymgeek.com/SDLO (accessed February 16, 2012). |
| CBE/CSE | SDLO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SDLO. |
| Bluebook | SDLO, http://www.acronymgeek.com/SDLO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SDLO, http://www.acronymgeek.com/SDLO (optional description here) (as of Feb. 16, 2012, 07:04). |
| AMA | SDLO. Acronym Geek. February 16, 2012, 07:04. Available at: http://www.acronymgeek.com/SDLO. Accessed February 16, 2012, 07:04. |