| APA | OIRG. (2012, February 15). In Acronym Geek. Retrieved 11:07, February 15, 2012, from http://www.acronymgeek.com/OIRG |
| MLA | "OIRG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OIRG>. |
| MHRA | 'OIRG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OIRG> [accessed 15 February 2012] |
| Chicago | "OIRG", http://www.acronymgeek.com/OIRG (accessed February 15, 2012). |
| CBE/CSE | OIRG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OIRG. |
| Bluebook | OIRG, http://www.acronymgeek.com/OIRG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIRG, http://www.acronymgeek.com/OIRG (optional description here) (as of Feb. 15, 2012, 11:07). |
| AMA | OIRG. Acronym Geek. February 15, 2012, 11:07. Available at: http://www.acronymgeek.com/OIRG. Accessed February 15, 2012, 11:07. |