| APA | FDIU. (2012, February 12). In Acronym Geek. Retrieved 01:14, February 12, 2012, from http://www.acronymgeek.com/FDIU |
| MLA | "FDIU." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/FDIU>. |
| MHRA | 'FDIU', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/FDIU> [accessed 12 February 2012] |
| Chicago | "FDIU", http://www.acronymgeek.com/FDIU (accessed February 12, 2012). |
| CBE/CSE | FDIU [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/FDIU. |
| Bluebook | FDIU, http://www.acronymgeek.com/FDIU (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDIU, http://www.acronymgeek.com/FDIU (optional description here) (as of Feb. 12, 2012, 01:14). |
| AMA | FDIU. Acronym Geek. February 12, 2012, 01:14. Available at: http://www.acronymgeek.com/FDIU. Accessed February 12, 2012, 01:14. |