| APA | OIR. (2012, February 9). In Acronym Geek. Retrieved 09:31, February 9, 2012, from http://www.acronymgeek.com/OIR |
| MLA | "OIR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/OIR>. |
| MHRA | 'OIR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/OIR> [accessed 9 February 2012] |
| Chicago | "OIR", http://www.acronymgeek.com/OIR (accessed February 9, 2012). |
| CBE/CSE | OIR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/OIR. |
| Bluebook | OIR, http://www.acronymgeek.com/OIR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIR, http://www.acronymgeek.com/OIR (optional description here) (as of Feb. 9, 2012, 09:31). |
| AMA | OIR. Acronym Geek. February 9, 2012, 09:31. Available at: http://www.acronymgeek.com/OIR. Accessed February 9, 2012, 09:31. |