| APA | DUOA. (2012, February 17). In Acronym Geek. Retrieved 06:30, February 17, 2012, from http://www.acronymgeek.com/DUOA |
| MLA | "DUOA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DUOA>. |
| MHRA | 'DUOA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DUOA> [accessed 17 February 2012] |
| Chicago | "DUOA", http://www.acronymgeek.com/DUOA (accessed February 17, 2012). |
| CBE/CSE | DUOA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DUOA. |
| Bluebook | DUOA, http://www.acronymgeek.com/DUOA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUOA, http://www.acronymgeek.com/DUOA (optional description here) (as of Feb. 17, 2012, 06:30). |
| AMA | DUOA. Acronym Geek. February 17, 2012, 06:30. Available at: http://www.acronymgeek.com/DUOA. Accessed February 17, 2012, 06:30. |