| APA | DYYS. (2012, February 16). In Acronym Geek. Retrieved 06:49, February 16, 2012, from http://www.acronymgeek.com/DYYS |
| MLA | "DYYS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DYYS>. |
| MHRA | 'DYYS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DYYS> [accessed 16 February 2012] |
| Chicago | "DYYS", http://www.acronymgeek.com/DYYS (accessed February 16, 2012). |
| CBE/CSE | DYYS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DYYS. |
| Bluebook | DYYS, http://www.acronymgeek.com/DYYS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DYYS, http://www.acronymgeek.com/DYYS (optional description here) (as of Feb. 16, 2012, 06:49). |
| AMA | DYYS. Acronym Geek. February 16, 2012, 06:49. Available at: http://www.acronymgeek.com/DYYS. Accessed February 16, 2012, 06:49. |