| APA | OYAS. (2012, February 15). In Acronym Geek. Retrieved 05:11, February 15, 2012, from http://www.acronymgeek.com/OYAS |
| MLA | "OYAS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OYAS>. |
| MHRA | 'OYAS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OYAS> [accessed 15 February 2012] |
| Chicago | "OYAS", http://www.acronymgeek.com/OYAS (accessed February 15, 2012). |
| CBE/CSE | OYAS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OYAS. |
| Bluebook | OYAS, http://www.acronymgeek.com/OYAS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYAS, http://www.acronymgeek.com/OYAS (optional description here) (as of Feb. 15, 2012, 05:11). |
| AMA | OYAS. Acronym Geek. February 15, 2012, 05:11. Available at: http://www.acronymgeek.com/OYAS. Accessed February 15, 2012, 05:11. |