| APA | FDDO. (2012, February 15). In Acronym Geek. Retrieved 10:24, February 15, 2012, from http://www.acronymgeek.com/FDDO |
| MLA | "FDDO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/FDDO>. |
| MHRA | 'FDDO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/FDDO> [accessed 15 February 2012] |
| Chicago | "FDDO", http://www.acronymgeek.com/FDDO (accessed February 15, 2012). |
| CBE/CSE | FDDO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/FDDO. |
| Bluebook | FDDO, http://www.acronymgeek.com/FDDO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDDO, http://www.acronymgeek.com/FDDO (optional description here) (as of Feb. 15, 2012, 10:24). |
| AMA | FDDO. Acronym Geek. February 15, 2012, 10:24. Available at: http://www.acronymgeek.com/FDDO. Accessed February 15, 2012, 10:24. |