| APA | DIRO. (2012, February 14). In Acronym Geek. Retrieved 18:17, February 14, 2012, from http://www.acronymgeek.com/DIRO |
| MLA | "DIRO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DIRO>. |
| MHRA | 'DIRO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DIRO> [accessed 14 February 2012] |
| Chicago | "DIRO", http://www.acronymgeek.com/DIRO (accessed February 14, 2012). |
| CBE/CSE | DIRO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DIRO. |
| Bluebook | DIRO, http://www.acronymgeek.com/DIRO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIRO, http://www.acronymgeek.com/DIRO (optional description here) (as of Feb. 14, 2012, 18:17). |
| AMA | DIRO. Acronym Geek. February 14, 2012, 18:17. Available at: http://www.acronymgeek.com/DIRO. Accessed February 14, 2012, 18:17. |