| APA | ORER. (2012, February 15). In Acronym Geek. Retrieved 14:12, February 15, 2012, from http://www.acronymgeek.com/ORER |
| MLA | "ORER." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ORER>. |
| MHRA | 'ORER', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ORER> [accessed 15 February 2012] |
| Chicago | "ORER", http://www.acronymgeek.com/ORER (accessed February 15, 2012). |
| CBE/CSE | ORER [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ORER. |
| Bluebook | ORER, http://www.acronymgeek.com/ORER (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ORER, http://www.acronymgeek.com/ORER (optional description here) (as of Feb. 15, 2012, 14:12). |
| AMA | ORER. Acronym Geek. February 15, 2012, 14:12. Available at: http://www.acronymgeek.com/ORER. Accessed February 15, 2012, 14:12. |