| APA | DYYD. (2012, February 15). In Acronym Geek. Retrieved 23:44, February 15, 2012, from http://www.acronymgeek.com/DYYD |
| MLA | "DYYD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DYYD>. |
| MHRA | 'DYYD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DYYD> [accessed 15 February 2012] |
| Chicago | "DYYD", http://www.acronymgeek.com/DYYD (accessed February 15, 2012). |
| CBE/CSE | DYYD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DYYD. |
| Bluebook | DYYD, http://www.acronymgeek.com/DYYD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DYYD, http://www.acronymgeek.com/DYYD (optional description here) (as of Feb. 15, 2012, 23:44). |
| AMA | DYYD. Acronym Geek. February 15, 2012, 23:44. Available at: http://www.acronymgeek.com/DYYD. Accessed February 15, 2012, 23:44. |