| APA | EDOU. (2012, February 16). In Acronym Geek. Retrieved 05:56, February 16, 2012, from http://www.acronymgeek.com/EDOU |
| MLA | "EDOU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EDOU>. |
| MHRA | 'EDOU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EDOU> [accessed 16 February 2012] |
| Chicago | "EDOU", http://www.acronymgeek.com/EDOU (accessed February 16, 2012). |
| CBE/CSE | EDOU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EDOU. |
| Bluebook | EDOU, http://www.acronymgeek.com/EDOU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EDOU, http://www.acronymgeek.com/EDOU (optional description here) (as of Feb. 16, 2012, 05:56). |
| AMA | EDOU. Acronym Geek. February 16, 2012, 05:56. Available at: http://www.acronymgeek.com/EDOU. Accessed February 16, 2012, 05:56. |