| APA | DYY. (2012, February 11). In Acronym Geek. Retrieved 22:41, February 11, 2012, from http://www.acronymgeek.com/DYY |
| MLA | "DYY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/DYY>. |
| MHRA | 'DYY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/DYY> [accessed 11 February 2012] |
| Chicago | "DYY", http://www.acronymgeek.com/DYY (accessed February 11, 2012). |
| CBE/CSE | DYY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/DYY. |
| Bluebook | DYY, http://www.acronymgeek.com/DYY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DYY, http://www.acronymgeek.com/DYY (optional description here) (as of Feb. 11, 2012, 22:41). |
| AMA | DYY. Acronym Geek. February 11, 2012, 22:41. Available at: http://www.acronymgeek.com/DYY. Accessed February 11, 2012, 22:41. |