| APA | DDX-P. (2012, February 12). In Acronym Geek. Retrieved 15:13, February 12, 2012, from http://www.acronymgeek.com/DDX-P |
| MLA | "DDX-P." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/DDX-P>. |
| MHRA | 'DDX-P', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/DDX-P> [accessed 12 February 2012] |
| Chicago | "DDX-P", http://www.acronymgeek.com/DDX-P (accessed February 12, 2012). |
| CBE/CSE | DDX-P [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/DDX-P. |
| Bluebook | DDX-P, http://www.acronymgeek.com/DDX-P (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDX-P, http://www.acronymgeek.com/DDX-P (optional description here) (as of Feb. 12, 2012, 15:13). |
| AMA | DDX-P. Acronym Geek. February 12, 2012, 15:13. Available at: http://www.acronymgeek.com/DDX-P. Accessed February 12, 2012, 15:13. |