| APA | DHYY. (2012, February 16). In Acronym Geek. Retrieved 16:20, February 16, 2012, from http://www.acronymgeek.com/DHYY |
| MLA | "DHYY." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DHYY>. |
| MHRA | 'DHYY', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DHYY> [accessed 16 February 2012] |
| Chicago | "DHYY", http://www.acronymgeek.com/DHYY (accessed February 16, 2012). |
| CBE/CSE | DHYY [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DHYY. |
| Bluebook | DHYY, http://www.acronymgeek.com/DHYY (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DHYY, http://www.acronymgeek.com/DHYY (optional description here) (as of Feb. 16, 2012, 16:20). |
| AMA | DHYY. Acronym Geek. February 16, 2012, 16:20. Available at: http://www.acronymgeek.com/DHYY. Accessed February 16, 2012, 16:20. |