| APA | DHOI. (2012, February 17). In Acronym Geek. Retrieved 07:00, February 17, 2012, from http://www.acronymgeek.com/DHOI |
| MLA | "DHOI." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DHOI>. |
| MHRA | 'DHOI', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DHOI> [accessed 17 February 2012] |
| Chicago | "DHOI", http://www.acronymgeek.com/DHOI (accessed February 17, 2012). |
| CBE/CSE | DHOI [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DHOI. |
| Bluebook | DHOI, http://www.acronymgeek.com/DHOI (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DHOI, http://www.acronymgeek.com/DHOI (optional description here) (as of Feb. 17, 2012, 07:00). |
| AMA | DHOI. Acronym Geek. February 17, 2012, 07:00. Available at: http://www.acronymgeek.com/DHOI. Accessed February 17, 2012, 07:00. |