| APA | DDEC. (2012, February 16). In Acronym Geek. Retrieved 19:34, February 16, 2012, from http://www.acronymgeek.com/DDEC |
| MLA | "DDEC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DDEC>. |
| MHRA | 'DDEC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DDEC> [accessed 16 February 2012] |
| Chicago | "DDEC", http://www.acronymgeek.com/DDEC (accessed February 16, 2012). |
| CBE/CSE | DDEC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DDEC. |
| Bluebook | DDEC, http://www.acronymgeek.com/DDEC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDEC, http://www.acronymgeek.com/DDEC (optional description here) (as of Feb. 16, 2012, 19:34). |
| AMA | DDEC. Acronym Geek. February 16, 2012, 19:34. Available at: http://www.acronymgeek.com/DDEC. Accessed February 16, 2012, 19:34. |