| APA | DHNO. (2012, February 16). In Acronym Geek. Retrieved 09:40, February 16, 2012, from http://www.acronymgeek.com/DHNO |
| MLA | "DHNO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DHNO>. |
| MHRA | 'DHNO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DHNO> [accessed 16 February 2012] |
| Chicago | "DHNO", http://www.acronymgeek.com/DHNO (accessed February 16, 2012). |
| CBE/CSE | DHNO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DHNO. |
| Bluebook | DHNO, http://www.acronymgeek.com/DHNO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DHNO, http://www.acronymgeek.com/DHNO (optional description here) (as of Feb. 16, 2012, 09:40). |
| AMA | DHNO. Acronym Geek. February 16, 2012, 09:40. Available at: http://www.acronymgeek.com/DHNO. Accessed February 16, 2012, 09:40. |