| APA | ONAS. (2012, February 16). In Acronym Geek. Retrieved 05:43, February 16, 2012, from http://www.acronymgeek.com/ONAS |
| MLA | "ONAS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ONAS>. |
| MHRA | 'ONAS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ONAS> [accessed 16 February 2012] |
| Chicago | "ONAS", http://www.acronymgeek.com/ONAS (accessed February 16, 2012). |
| CBE/CSE | ONAS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ONAS. |
| Bluebook | ONAS, http://www.acronymgeek.com/ONAS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ONAS, http://www.acronymgeek.com/ONAS (optional description here) (as of Feb. 16, 2012, 05:43). |
| AMA | ONAS. Acronym Geek. February 16, 2012, 05:43. Available at: http://www.acronymgeek.com/ONAS. Accessed February 16, 2012, 05:43. |