| APA | OEHL. (2012, February 16). In Acronym Geek. Retrieved 20:06, February 16, 2012, from http://www.acronymgeek.com/OEHL |
| MLA | "OEHL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OEHL>. |
| MHRA | 'OEHL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OEHL> [accessed 16 February 2012] |
| Chicago | "OEHL", http://www.acronymgeek.com/OEHL (accessed February 16, 2012). |
| CBE/CSE | OEHL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OEHL. |
| Bluebook | OEHL, http://www.acronymgeek.com/OEHL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OEHL, http://www.acronymgeek.com/OEHL (optional description here) (as of Feb. 16, 2012, 20:06). |
| AMA | OEHL. Acronym Geek. February 16, 2012, 20:06. Available at: http://www.acronymgeek.com/OEHL. Accessed February 16, 2012, 20:06. |