| APA | OORS. (2012, February 17). In Acronym Geek. Retrieved 07:22, February 17, 2012, from http://www.acronymgeek.com/OORS |
| MLA | "OORS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OORS>. |
| MHRA | 'OORS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OORS> [accessed 17 February 2012] |
| Chicago | "OORS", http://www.acronymgeek.com/OORS (accessed February 17, 2012). |
| CBE/CSE | OORS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OORS. |
| Bluebook | OORS, http://www.acronymgeek.com/OORS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OORS, http://www.acronymgeek.com/OORS (optional description here) (as of Feb. 17, 2012, 07:22). |
| AMA | OORS. Acronym Geek. February 17, 2012, 07:22. Available at: http://www.acronymgeek.com/OORS. Accessed February 17, 2012, 07:22. |