| APA | ADDO. (2012, February 16). In Acronym Geek. Retrieved 07:55, February 16, 2012, from http://www.acronymgeek.com/ADDO |
| MLA | "ADDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ADDO>. |
| MHRA | 'ADDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ADDO> [accessed 16 February 2012] |
| Chicago | "ADDO", http://www.acronymgeek.com/ADDO (accessed February 16, 2012). |
| CBE/CSE | ADDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ADDO. |
| Bluebook | ADDO, http://www.acronymgeek.com/ADDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ADDO, http://www.acronymgeek.com/ADDO (optional description here) (as of Feb. 16, 2012, 07:55). |
| AMA | ADDO. Acronym Geek. February 16, 2012, 07:55. Available at: http://www.acronymgeek.com/ADDO. Accessed February 16, 2012, 07:55. |