| APA | OECL. (2012, February 15). In Acronym Geek. Retrieved 06:06, February 15, 2012, from http://www.acronymgeek.com/OECL |
| MLA | "OECL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OECL>. |
| MHRA | 'OECL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OECL> [accessed 15 February 2012] |
| Chicago | "OECL", http://www.acronymgeek.com/OECL (accessed February 15, 2012). |
| CBE/CSE | OECL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OECL. |
| Bluebook | OECL, http://www.acronymgeek.com/OECL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OECL, http://www.acronymgeek.com/OECL (optional description here) (as of Feb. 15, 2012, 06:06). |
| AMA | OECL. Acronym Geek. February 15, 2012, 06:06. Available at: http://www.acronymgeek.com/OECL. Accessed February 15, 2012, 06:06. |