| APA | DIIO. (2012, February 14). In Acronym Geek. Retrieved 12:42, February 14, 2012, from http://www.acronymgeek.com/DIIO |
| MLA | "DIIO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DIIO>. |
| MHRA | 'DIIO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DIIO> [accessed 14 February 2012] |
| Chicago | "DIIO", http://www.acronymgeek.com/DIIO (accessed February 14, 2012). |
| CBE/CSE | DIIO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DIIO. |
| Bluebook | DIIO, http://www.acronymgeek.com/DIIO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIIO, http://www.acronymgeek.com/DIIO (optional description here) (as of Feb. 14, 2012, 12:42). |
| AMA | DIIO. Acronym Geek. February 14, 2012, 12:42. Available at: http://www.acronymgeek.com/DIIO. Accessed February 14, 2012, 12:42. |