| APA | OIRI. (2012, February 14). In Acronym Geek. Retrieved 13:59, February 14, 2012, from http://www.acronymgeek.com/OIRI |
| MLA | "OIRI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OIRI>. |
| MHRA | 'OIRI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OIRI> [accessed 14 February 2012] |
| Chicago | "OIRI", http://www.acronymgeek.com/OIRI (accessed February 14, 2012). |
| CBE/CSE | OIRI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OIRI. |
| Bluebook | OIRI, http://www.acronymgeek.com/OIRI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIRI, http://www.acronymgeek.com/OIRI (optional description here) (as of Feb. 14, 2012, 13:59). |
| AMA | OIRI. Acronym Geek. February 14, 2012, 13:59. Available at: http://www.acronymgeek.com/OIRI. Accessed February 14, 2012, 13:59. |