| APA | DFDO. (2012, February 16). In Acronym Geek. Retrieved 21:38, February 16, 2012, from http://www.acronymgeek.com/DFDO |
| MLA | "DFDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DFDO>. |
| MHRA | 'DFDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DFDO> [accessed 16 February 2012] |
| Chicago | "DFDO", http://www.acronymgeek.com/DFDO (accessed February 16, 2012). |
| CBE/CSE | DFDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DFDO. |
| Bluebook | DFDO, http://www.acronymgeek.com/DFDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DFDO, http://www.acronymgeek.com/DFDO (optional description here) (as of Feb. 16, 2012, 21:38). |
| AMA | DFDO. Acronym Geek. February 16, 2012, 21:38. Available at: http://www.acronymgeek.com/DFDO. Accessed February 16, 2012, 21:38. |