| APA | DD/DS. (2012, February 11). In Acronym Geek. Retrieved 17:57, February 11, 2012, from http://www.acronymgeek.com/DD/DS |
| MLA | "DD/DS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DD/DS>. |
| MHRA | 'DD/DS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DD/DS> [accessed 11 February 2012] |
| Chicago | "DD/DS", http://www.acronymgeek.com/DD/DS (accessed February 11, 2012). |
| CBE/CSE | DD/DS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DD/DS. |
| Bluebook | DD/DS, http://www.acronymgeek.com/DD/DS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DD/DS, http://www.acronymgeek.com/DD/DS (optional description here) (as of Feb. 11, 2012, 17:57). |
| AMA | DD/DS. Acronym Geek. February 11, 2012, 17:57. Available at: http://www.acronymgeek.com/DD/DS. Accessed February 11, 2012, 17:57. |