| APA | DPES. (2012, February 16). In Acronym Geek. Retrieved 01:51, February 16, 2012, from http://www.acronymgeek.com/DPES |
| MLA | "DPES." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DPES>. |
| MHRA | 'DPES', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DPES> [accessed 16 February 2012] |
| Chicago | "DPES", http://www.acronymgeek.com/DPES (accessed February 16, 2012). |
| CBE/CSE | DPES [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DPES. |
| Bluebook | DPES, http://www.acronymgeek.com/DPES (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DPES, http://www.acronymgeek.com/DPES (optional description here) (as of Feb. 16, 2012, 01:51). |
| AMA | DPES. Acronym Geek. February 16, 2012, 01:51. Available at: http://www.acronymgeek.com/DPES. Accessed February 16, 2012, 01:51. |