| APA | DUYI. (2012, February 14). In Acronym Geek. Retrieved 19:05, February 14, 2012, from http://www.acronymgeek.com/DUYI |
| MLA | "DUYI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DUYI>. |
| MHRA | 'DUYI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DUYI> [accessed 14 February 2012] |
| Chicago | "DUYI", http://www.acronymgeek.com/DUYI (accessed February 14, 2012). |
| CBE/CSE | DUYI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DUYI. |
| Bluebook | DUYI, http://www.acronymgeek.com/DUYI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUYI, http://www.acronymgeek.com/DUYI (optional description here) (as of Feb. 14, 2012, 19:05). |
| AMA | DUYI. Acronym Geek. February 14, 2012, 19:05. Available at: http://www.acronymgeek.com/DUYI. Accessed February 14, 2012, 19:05. |