| APA | DIEO. (2012, February 17). In Acronym Geek. Retrieved 07:05, February 17, 2012, from http://www.acronymgeek.com/DIEO |
| MLA | "DIEO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/DIEO>. |
| MHRA | 'DIEO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/DIEO> [accessed 17 February 2012] |
| Chicago | "DIEO", http://www.acronymgeek.com/DIEO (accessed February 17, 2012). |
| CBE/CSE | DIEO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/DIEO. |
| Bluebook | DIEO, http://www.acronymgeek.com/DIEO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIEO, http://www.acronymgeek.com/DIEO (optional description here) (as of Feb. 17, 2012, 07:05). |
| AMA | DIEO. Acronym Geek. February 17, 2012, 07:05. Available at: http://www.acronymgeek.com/DIEO. Accessed February 17, 2012, 07:05. |