| APA | OYJ. (2012, February 12). In Acronym Geek. Retrieved 07:08, February 12, 2012, from http://www.acronymgeek.com/OYJ |
| MLA | "OYJ." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/OYJ>. |
| MHRA | 'OYJ', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/OYJ> [accessed 12 February 2012] |
| Chicago | "OYJ", http://www.acronymgeek.com/OYJ (accessed February 12, 2012). |
| CBE/CSE | OYJ [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/OYJ. |
| Bluebook | OYJ, http://www.acronymgeek.com/OYJ (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OYJ, http://www.acronymgeek.com/OYJ (optional description here) (as of Feb. 12, 2012, 07:08). |
| AMA | OYJ. Acronym Geek. February 12, 2012, 07:08. Available at: http://www.acronymgeek.com/OYJ. Accessed February 12, 2012, 07:08. |