| APA | DDWO. (2012, February 14). In Acronym Geek. Retrieved 20:15, February 14, 2012, from http://www.acronymgeek.com/DDWO |
| MLA | "DDWO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DDWO>. |
| MHRA | 'DDWO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DDWO> [accessed 14 February 2012] |
| Chicago | "DDWO", http://www.acronymgeek.com/DDWO (accessed February 14, 2012). |
| CBE/CSE | DDWO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DDWO. |
| Bluebook | DDWO, http://www.acronymgeek.com/DDWO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDWO, http://www.acronymgeek.com/DDWO (optional description here) (as of Feb. 14, 2012, 20:15). |
| AMA | DDWO. Acronym Geek. February 14, 2012, 20:15. Available at: http://www.acronymgeek.com/DDWO. Accessed February 14, 2012, 20:15. |