| APA | FDIO. (2012, February 16). In Acronym Geek. Retrieved 20:36, February 16, 2012, from http://www.acronymgeek.com/FDIO |
| MLA | "FDIO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FDIO>. |
| MHRA | 'FDIO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FDIO> [accessed 16 February 2012] |
| Chicago | "FDIO", http://www.acronymgeek.com/FDIO (accessed February 16, 2012). |
| CBE/CSE | FDIO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FDIO. |
| Bluebook | FDIO, http://www.acronymgeek.com/FDIO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDIO, http://www.acronymgeek.com/FDIO (optional description here) (as of Feb. 16, 2012, 20:36). |
| AMA | FDIO. Acronym Geek. February 16, 2012, 20:36. Available at: http://www.acronymgeek.com/FDIO. Accessed February 16, 2012, 20:36. |