| APA | OECR. (2012, February 15). In Acronym Geek. Retrieved 01:53, February 15, 2012, from http://www.acronymgeek.com/OECR |
| MLA | "OECR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OECR>. |
| MHRA | 'OECR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OECR> [accessed 15 February 2012] |
| Chicago | "OECR", http://www.acronymgeek.com/OECR (accessed February 15, 2012). |
| CBE/CSE | OECR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OECR. |
| Bluebook | OECR, http://www.acronymgeek.com/OECR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OECR, http://www.acronymgeek.com/OECR (optional description here) (as of Feb. 15, 2012, 01:53). |
| AMA | OECR. Acronym Geek. February 15, 2012, 01:53. Available at: http://www.acronymgeek.com/OECR. Accessed February 15, 2012, 01:53. |