| APA | DHOS. (2012, February 15). In Acronym Geek. Retrieved 06:37, February 15, 2012, from http://www.acronymgeek.com/DHOS |
| MLA | "DHOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DHOS>. |
| MHRA | 'DHOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DHOS> [accessed 15 February 2012] |
| Chicago | "DHOS", http://www.acronymgeek.com/DHOS (accessed February 15, 2012). |
| CBE/CSE | DHOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DHOS. |
| Bluebook | DHOS, http://www.acronymgeek.com/DHOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DHOS, http://www.acronymgeek.com/DHOS (optional description here) (as of Feb. 15, 2012, 06:37). |
| AMA | DHOS. Acronym Geek. February 15, 2012, 06:37. Available at: http://www.acronymgeek.com/DHOS. Accessed February 15, 2012, 06:37. |