| APA | OSER. (2012, February 17). In Acronym Geek. Retrieved 00:41, February 17, 2012, from http://www.acronymgeek.com/OSER |
| MLA | "OSER." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OSER>. |
| MHRA | 'OSER', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OSER> [accessed 17 February 2012] |
| Chicago | "OSER", http://www.acronymgeek.com/OSER (accessed February 17, 2012). |
| CBE/CSE | OSER [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OSER. |
| Bluebook | OSER, http://www.acronymgeek.com/OSER (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OSER, http://www.acronymgeek.com/OSER (optional description here) (as of Feb. 17, 2012, 00:41). |
| AMA | OSER. Acronym Geek. February 17, 2012, 00:41. Available at: http://www.acronymgeek.com/OSER. Accessed February 17, 2012, 00:41. |