| APA | DYYH. (2012, February 15). In Acronym Geek. Retrieved 13:16, February 15, 2012, from http://www.acronymgeek.com/DYYH |
| MLA | "DYYH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DYYH>. |
| MHRA | 'DYYH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DYYH> [accessed 15 February 2012] |
| Chicago | "DYYH", http://www.acronymgeek.com/DYYH (accessed February 15, 2012). |
| CBE/CSE | DYYH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DYYH. |
| Bluebook | DYYH, http://www.acronymgeek.com/DYYH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DYYH, http://www.acronymgeek.com/DYYH (optional description here) (as of Feb. 15, 2012, 13:16). |
| AMA | DYYH. Acronym Geek. February 15, 2012, 13:16. Available at: http://www.acronymgeek.com/DYYH. Accessed February 15, 2012, 13:16. |