| APA | OYKKAA. (2012, February 12). In Acronym Geek. Retrieved 08:40, February 12, 2012, from http://www.acronymgeek.com/OYKKAA |
| MLA | "OYKKAA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/OYKKAA>. |
| MHRA | 'OYKKAA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/OYKKAA> [accessed 12 February 2012] |
| Chicago | "OYKKAA", http://www.acronymgeek.com/OYKKAA (accessed February 12, 2012). |
| CBE/CSE | OYKKAA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/OYKKAA. |
| Bluebook | OYKKAA, http://www.acronymgeek.com/OYKKAA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYKKAA, http://www.acronymgeek.com/OYKKAA (optional description here) (as of Feb. 12, 2012, 08:40). |
| AMA | OYKKAA. Acronym Geek. February 12, 2012, 08:40. Available at: http://www.acronymgeek.com/OYKKAA. Accessed February 12, 2012, 08:40. |