| APA | DUOC. (2012, February 16). In Acronym Geek. Retrieved 10:41, February 16, 2012, from http://www.acronymgeek.com/DUOC |
| MLA | "DUOC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DUOC>. |
| MHRA | 'DUOC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DUOC> [accessed 16 February 2012] |
| Chicago | "DUOC", http://www.acronymgeek.com/DUOC (accessed February 16, 2012). |
| CBE/CSE | DUOC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DUOC. |
| Bluebook | DUOC, http://www.acronymgeek.com/DUOC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUOC, http://www.acronymgeek.com/DUOC (optional description here) (as of Feb. 16, 2012, 10:41). |
| AMA | DUOC. Acronym Geek. February 16, 2012, 10:41. Available at: http://www.acronymgeek.com/DUOC. Accessed February 16, 2012, 10:41. |