| APA | OREL. (2012, February 16). In Acronym Geek. Retrieved 05:38, February 16, 2012, from http://www.acronymgeek.com/OREL |
| MLA | "OREL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OREL>. |
| MHRA | 'OREL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OREL> [accessed 16 February 2012] |
| Chicago | "OREL", http://www.acronymgeek.com/OREL (accessed February 16, 2012). |
| CBE/CSE | OREL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OREL. |
| Bluebook | OREL, http://www.acronymgeek.com/OREL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OREL, http://www.acronymgeek.com/OREL (optional description here) (as of Feb. 16, 2012, 05:38). |
| AMA | OREL. Acronym Geek. February 16, 2012, 05:38. Available at: http://www.acronymgeek.com/OREL. Accessed February 16, 2012, 05:38. |