| APA | DDXP. (2012, February 10). In Acronym Geek. Retrieved 08:25, February 10, 2012, from http://www.acronymgeek.com/DDXP |
| MLA | "DDXP." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/DDXP>. |
| MHRA | 'DDXP', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/DDXP> [accessed 10 February 2012] |
| Chicago | "DDXP", http://www.acronymgeek.com/DDXP (accessed February 10, 2012). |
| CBE/CSE | DDXP [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/DDXP. |
| Bluebook | DDXP, http://www.acronymgeek.com/DDXP (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDXP, http://www.acronymgeek.com/DDXP (optional description here) (as of Feb. 10, 2012, 08:25). |
| AMA | DDXP. Acronym Geek. February 10, 2012, 08:25. Available at: http://www.acronymgeek.com/DDXP. Accessed February 10, 2012, 08:25. |