| APA | ARDO. (2012, February 16). In Acronym Geek. Retrieved 18:12, February 16, 2012, from http://www.acronymgeek.com/ARDO |
| MLA | "ARDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ARDO>. |
| MHRA | 'ARDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ARDO> [accessed 16 February 2012] |
| Chicago | "ARDO", http://www.acronymgeek.com/ARDO (accessed February 16, 2012). |
| CBE/CSE | ARDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ARDO. |
| Bluebook | ARDO, http://www.acronymgeek.com/ARDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ARDO, http://www.acronymgeek.com/ARDO (optional description here) (as of Feb. 16, 2012, 18:12). |
| AMA | ARDO. Acronym Geek. February 16, 2012, 18:12. Available at: http://www.acronymgeek.com/ARDO. Accessed February 16, 2012, 18:12. |