| APA | OIET. (2012, February 15). In Acronym Geek. Retrieved 01:58, February 15, 2012, from http://www.acronymgeek.com/OIET |
| MLA | "OIET." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OIET>. |
| MHRA | 'OIET', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OIET> [accessed 15 February 2012] |
| Chicago | "OIET", http://www.acronymgeek.com/OIET (accessed February 15, 2012). |
| CBE/CSE | OIET [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OIET. |
| Bluebook | OIET, http://www.acronymgeek.com/OIET (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIET, http://www.acronymgeek.com/OIET (optional description here) (as of Feb. 15, 2012, 01:58). |
| AMA | OIET. Acronym Geek. February 15, 2012, 01:58. Available at: http://www.acronymgeek.com/OIET. Accessed February 15, 2012, 01:58. |