| APA | DVOS. (2012, February 15). In Acronym Geek. Retrieved 10:28, February 15, 2012, from http://www.acronymgeek.com/DVOS |
| MLA | "DVOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DVOS>. |
| MHRA | 'DVOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DVOS> [accessed 15 February 2012] |
| Chicago | "DVOS", http://www.acronymgeek.com/DVOS (accessed February 15, 2012). |
| CBE/CSE | DVOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DVOS. |
| Bluebook | DVOS, http://www.acronymgeek.com/DVOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DVOS, http://www.acronymgeek.com/DVOS (optional description here) (as of Feb. 15, 2012, 10:28). |
| AMA | DVOS. Acronym Geek. February 15, 2012, 10:28. Available at: http://www.acronymgeek.com/DVOS. Accessed February 15, 2012, 10:28. |