| APA | DUPI. (2012, February 14). In Acronym Geek. Retrieved 19:03, February 14, 2012, from http://www.acronymgeek.com/DUPI |
| MLA | "DUPI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DUPI>. |
| MHRA | 'DUPI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DUPI> [accessed 14 February 2012] |
| Chicago | "DUPI", http://www.acronymgeek.com/DUPI (accessed February 14, 2012). |
| CBE/CSE | DUPI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DUPI. |
| Bluebook | DUPI, http://www.acronymgeek.com/DUPI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DUPI, http://www.acronymgeek.com/DUPI (optional description here) (as of Feb. 14, 2012, 19:03). |
| AMA | DUPI. Acronym Geek. February 14, 2012, 19:03. Available at: http://www.acronymgeek.com/DUPI. Accessed February 14, 2012, 19:03. |