| APA | DDA. (2012, February 8). In Acronym Geek. Retrieved 10:48, February 8, 2012, from http://www.acronymgeek.com/DDA |
| MLA | "DDA." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/DDA>. |
| MHRA | 'DDA', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/DDA> [accessed 8 February 2012] |
| Chicago | "DDA", http://www.acronymgeek.com/DDA (accessed February 8, 2012). |
| CBE/CSE | DDA [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/DDA. |
| Bluebook | DDA, http://www.acronymgeek.com/DDA (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDA, http://www.acronymgeek.com/DDA (optional description here) (as of Feb. 8, 2012, 10:48). |
| AMA | DDA. Acronym Geek. February 8, 2012, 10:48. Available at: http://www.acronymgeek.com/DDA. Accessed February 8, 2012, 10:48. |