| APA | OYYH. (2012, February 14). In Acronym Geek. Retrieved 20:23, February 14, 2012, from http://www.acronymgeek.com/OYYH |
| MLA | "OYYH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OYYH>. |
| MHRA | 'OYYH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OYYH> [accessed 14 February 2012] |
| Chicago | "OYYH", http://www.acronymgeek.com/OYYH (accessed February 14, 2012). |
| CBE/CSE | OYYH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OYYH. |
| Bluebook | OYYH, http://www.acronymgeek.com/OYYH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYYH, http://www.acronymgeek.com/OYYH (optional description here) (as of Feb. 14, 2012, 20:23). |
| AMA | OYYH. Acronym Geek. February 14, 2012, 20:23. Available at: http://www.acronymgeek.com/OYYH. Accessed February 14, 2012, 20:23. |