| APA | DDTT. (2012, February 15). In Acronym Geek. Retrieved 21:17, February 15, 2012, from http://www.acronymgeek.com/DDTT |
| MLA | "DDTT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DDTT>. |
| MHRA | 'DDTT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DDTT> [accessed 15 February 2012] |
| Chicago | "DDTT", http://www.acronymgeek.com/DDTT (accessed February 15, 2012). |
| CBE/CSE | DDTT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DDTT. |
| Bluebook | DDTT, http://www.acronymgeek.com/DDTT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDTT, http://www.acronymgeek.com/DDTT (optional description here) (as of Feb. 15, 2012, 21:17). |
| AMA | DDTT. Acronym Geek. February 15, 2012, 21:17. Available at: http://www.acronymgeek.com/DDTT. Accessed February 15, 2012, 21:17. |