| APA | DDSU. (2012, February 16). In Acronym Geek. Retrieved 10:09, February 16, 2012, from http://www.acronymgeek.com/DDSU |
| MLA | "DDSU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DDSU>. |
| MHRA | 'DDSU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DDSU> [accessed 16 February 2012] |
| Chicago | "DDSU", http://www.acronymgeek.com/DDSU (accessed February 16, 2012). |
| CBE/CSE | DDSU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DDSU. |
| Bluebook | DDSU, http://www.acronymgeek.com/DDSU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDSU, http://www.acronymgeek.com/DDSU (optional description here) (as of Feb. 16, 2012, 10:09). |
| AMA | DDSU. Acronym Geek. February 16, 2012, 10:09. Available at: http://www.acronymgeek.com/DDSU. Accessed February 16, 2012, 10:09. |