| APA | DDEE. (2012, February 16). In Acronym Geek. Retrieved 23:00, February 16, 2012, from http://www.acronymgeek.com/DDEE |
| MLA | "DDEE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DDEE>. |
| MHRA | 'DDEE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DDEE> [accessed 16 February 2012] |
| Chicago | "DDEE", http://www.acronymgeek.com/DDEE (accessed February 16, 2012). |
| CBE/CSE | DDEE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DDEE. |
| Bluebook | DDEE, http://www.acronymgeek.com/DDEE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDEE, http://www.acronymgeek.com/DDEE (optional description here) (as of Feb. 16, 2012, 23:00). |
| AMA | DDEE. Acronym Geek. February 16, 2012, 23:00. Available at: http://www.acronymgeek.com/DDEE. Accessed February 16, 2012, 23:00. |